[How To] Return AT&T HTC One M8 To Stock - AT&T HTC One (M8)

I wanted to return my HTC One to stock, and it took me hours to do so. I had to search for multiple threads, and it was a big hassle and pretty confusing. I am back to stock now, although I am still S-Off. I figured I would compile a thread helping others in similar situations return to stock. This guide will help you return to sense, lock your bootloader, unroot, hide your tampered banner, as well as prevent your device from showing up as relocked. You're device will still remain S-Off after following these steps.
Here are the steps. I am assuming the recovery is device specific, and I wouldn't recommend flashing the recovery.img on any device other than the AT&T M8.
1. Make sure your device is S-Off. If not, download firewater and S-Off your device.
2. Restore a nandroid of the stock Sense ROM, or find a stock ROM to flash. You'll have to dig around; I used a nandroid.
3. Flash SuperSU.zip in recovery on top of the stock Sense ROM. You can find the SuperSU.zip here: http://download.chainfire.eu/396/SuperSU
4. Use adb to flash the stock recovery.img to your device. You can get the recovery files here. http://forum.xda-developers.com/showthread.php?t=2711814 *ONLY FOR THE AT&T MODEL*
5. Boot back up into sense, and follow this guide to remove the tampered banner in recovery. http://forum.xda-developers.com/showthread.php?t=2708565
6. Follow this guide to lock your boot loader and make it say **LOCKED** instead of **RELOCKED**. http://forum.xda-developers.com/showthread.php?t=2708571
7. Boot your device back up, and open SuperSU. Go into settings and find the "full unroot" option and run that. Reboot your device like it suggests.
8. I would factory reset your device in settings or recovery to make sure everything's clean, although this step isn't necessary.
Enjoy Sense! Hope I was able to help some of you guys! ?
Sent from my HTC One_M8 using Tapatalk

supitsronnie said:
I wanted to return my HTC One to stock, and it took me hours to do so. I had to search for multiple threads, and it was a big hassle and pretty confusing. I am back to stock now, although I am still S-Off. I figured I would compile a thread helping others in similar situations return to stock. This guide will help you return to sense, lock your bootloader, unroot, hide your tampered banner, as well as prevent your device from showing up as relocked. You're device will still remain S-Off after following these steps.
Here are the steps. I am assuming the recovery is device specific, and I wouldn't recommend flashing the recovery.img on any device other than the AT&T M8.
1. Restore a nandroid of the stock Sense ROM, or find a stock ROM to flash. You'll have to dig around; I used a nandroid.
2. Flash SuperSU.zip in recovery on top of the stock Sense ROM. You can find the SuperSU.zip here: http://download.chainfire.eu/396/SuperSU
3. Use adb to flash the stock recovery.img to your device. You can get the recovery files here. http://forum.xda-developers.com/showthread.php?t=2711814 *ONLY FOR THE AT&T MODEL*
4. Boot back up into sense, and follow this guide to remove the tampered banner in recovery. http://forum.xda-developers.com/showthread.php?t=2708565
5. Follow this guide to lock your boot loader and make it say **LOCKED** instead of **RELOCKED**. http://forum.xda-developers.com/showthread.php?t=2708571
6. Boot your device back up, and open SuperSU. Go into settings and find the "full unroot" option and run that. Reboot your device like it suggests.
7. I would factory reset your device in settings or recovery to make sure everything's clean, although this step isn't necessary.
Enjoy Sense! Hope I was able to help some of you guys! ?
Sent from my HTC One_M8 using Tapatalk
Click to expand...
Click to collapse
Do you think these steps could pass with returning it to an AT&T store for exchange?

chrispyutec said:
Do you think these steps could pass with returning it to an AT&T store for exchange?
Click to expand...
Click to collapse
I am not sure. I haven't tried returning to AT&T. The only thing they can get you for is S-Off, but some devices shipped S-Off so I don't know how likely that is to happen. AT&T shouldn't look into it too much. They don't have access to HTCDev so they can't see you've requested an unlock token.
Sent from my HTC One_M8 using Tapatalk

supitsronnie said:
I am not sure. I haven't tried returning to AT&T. The only thing they can get you for is S-Off, but some devices shipped S-Off so I don't know how likely that is to happen. AT&T shouldn't look into it too much. They don't have access to HTCDev so they can't see you've requested an unlock token.
Click to expand...
Click to collapse
I don't know about your AT&T store reps, but I can't think of a single one from a store local to me that would have any clue whatsoever on how to determine if the device was rooted, unlocked, etc.
Also keep in mind that, unless you've personally irritated one of them, THEY (usually) DON'T CARE. They might be required to check certain things by AT&T corporate, but do you really think that a typical sales rep is going actually exert any extra effort whatsoever to check the device?
Take the steps you mentioned. Leave the device S-OFF, but clear the "tampered" flag (as you mentioned) and any type of red warning that happens on the boot animation. Basically, just fix up the extremely obvious stuff that a sales rep couldn't possible ignore. When you go to bring it back, act like you've never heard of "XDA", and if someone asks if the phone was modified, tell them that you changed the default ringtone or something silly like that. (In other words, play dumb.)

Delete

Delete
Sent from my HTC One_M8 using Tapatalk

I was in a store the other day with a friend who needed something done to his account. Beside us was a rep trying to activate an M8 for a customer. She kept running to the back to get different SIM cards and couldn't figure out why they wouldn't fit. She was trying to put them in the SD card slot
And you're worried about them checking bootloader locks and S-Off? :laugh:

To give an example of how "closely" an AT&T store rep examines a phone for exchange/return:
I noticed a couple days ago that the volume button on my own M8 is quite a bit more.. wiggly.... than the AT&T demo M8's in my local store. It doesn't really bother me, but I figured I was still in my "14 days" so I could get a simple exchange for a more perfect volume button.
So, I spent about an hour backing up my device, changing the CID back to CWS__001, switching the firmware back to AT&T stock, switching the recovery back to stock, patching the bootloader to NOT show "unlocked" or "tampered", etc. Basically, when I was done, it was nearly impossible for even a knowledgeable person to know I had "converted" the phone to a dev edition and so on.
I brought the phone to the store and here's what they did to examine it: NOTHING.
They saw that the screen turned on, and that was it. Nothing else. I was extremely disappointed. (Perhaps it relates that I had just factory reset it, so it was sitting at that stupid AT&T welcome screen... perhaps they didn't want to waste time tapping through all the prompts?)
Oh, and I ended up NOT doing the exchange. They brought a new one up, and it had the same wiggly volume button. So, we opened a couple more boxes and all were wiggly. Being that I didn't see any other defect in my existing phone, I decided to keep my known wiggle instead of risking a different different that wiggled just as much, but might also have some other issue.
Take care
Wiggles Gary

where do we find the stock nandroid to use? Does this work to get back to stock to get the latest OTA update?

jdk2 said:
I was in a store the other day with a friend who needed something done to his account. Beside us was a rep trying to activate an M8 for a customer. She kept running to the back to get different SIM cards and couldn't figure out why they wouldn't fit. She was trying to put them in the SD card slot
And you're worried about them checking bootloader locks and S-Off? :laugh:
Click to expand...
Click to collapse
LOL you laugh. My AT&T girl did the same thing. She had the nano sim sideways in the sd card slot and couldn't figure why it wouldn't go in.

drivel2787 said:
where do we find the stock nandroid to use? Does this work to get back to stock to get the latest OTA update?
Click to expand...
Click to collapse
You can find stock nandroid backups here: http://forum.xda-developers.com/showthread.php?t=2701376. Make sure your CID matches! Instructions are in that thread.
Yes, if you follow this method you will receive OTA updates again.
Sent from my HTC One_M8 using Tapatalk

I have to use HTC's free screen replacement program, im rooted, unlocked, and s-off... soooo, i have to do this before sending them my phone right?

JoSway said:
I have to use HTC's free screen replacement program, im rooted, unlocked, and s-off... soooo, i have to do this before sending them my phone right?
Click to expand...
Click to collapse
There was a poster who claimed they told him he was ineligible for the replacement because they had him on record on HTCdev as unlocking his boot loader. Said he needed the dev edition to be able to do that without voiding his warranty. That was just one person though

I got my device 2 days ago and rooted immediately. Then I noticed I was on the old firmware version, so I used your guide to get unroot and back to stock. It worked well. Now I'm updated and rooted again

deleted

garyd9 said:
To give an example of how "closely" an AT&T store rep examines a phone for exchange/return:
I noticed a couple days ago that the volume button on my own M8 is quite a bit more.. wiggly.... than the AT&T demo M8's in my local store. It doesn't really bother me, but I figured I was still in my "14 days" so I could get a simple exchange for a more perfect volume button.
So, I spent about an hour backing up my device, changing the CID back to CWS__001, switching the firmware back to AT&T stock, switching the recovery back to stock, patching the bootloader to NOT show "unlocked" or "tampered", etc. Basically, when I was done, it was nearly impossible for even a knowledgeable person to know I had "converted" the phone to a dev edition and so on.
I brought the phone to the store and here's what they did to examine it: NOTHING.
They saw that the screen turned on, and that was it. Nothing else. I was extremely disappointed. (Perhaps it relates that I had just factory reset it, so it was sitting at that stupid AT&T welcome screen... perhaps they didn't want to waste time tapping through all the prompts?)
Oh, and I ended up NOT doing the exchange. They brought a new one up, and it had the same wiggly volume button. So, we opened a couple more boxes and all were wiggly. Being that I didn't see any other defect in my existing phone, I decided to keep my known wiggle instead of risking a different different that wiggled just as much, but might also have some other issue.
Take care
Wiggles Gary
Click to expand...
Click to collapse
Believe it or not all you have to do is put the stock rom back on the device. You still have a hardware warranty. If say, your speaker is broken that would have occurred regardless of you flashing the ROM. Flashing the rom is not a punishment for you to live with bad hardware... However try to put back to stock if you can.

thank u for helping

Lil Jones said:
Believe it or not all you have to do is put the stock rom back on the device. You still have a hardware warranty. If say, your speaker is broken that would have occurred regardless of you flashing the ROM. Flashing the rom is not a punishment for you to live with bad hardware... However try to put back to stock if you can.
Click to expand...
Click to collapse
AT&T terms clearly state that they have the "right" to void warranty if the software is modified.
In reality, AT&T will not check or care. Its more important to keep you as a monthly account holder, versus the relatively modest price if a refurb phone. I've seen many reports of successful warranty exchanges with unlocked bootloader, root, even having an obviously custom ROM (like CM) installed.
Return to close as stock as possible/feasible to play it safe. But its likely not going to be a deal breaker.

can i be S-Off and do ATT OTA's?

rahtrip said:
can i be S-Off and do ATT OTA's?
Click to expand...
Click to collapse
Sure. But if you've bothered to s-off, why would you want to?
Sent from my HTC One_M8 using XDA Free mobile app

Related

HTCdev.com **Evo3D Rooting Info** "Live"

Well at last, HTC has brought us their method to root HTC Evo 3D & Sensation.. Just register to become a member (dev) and begin rooting your Evo3D. I wanted to show you all what to expect.. and of course there are disclaimers so view screen shots for full details. I have not tried this setup so please give feedback, I do have the phone but it's been rooted by other methods.. just giving fellowship & sharing information. Enjoy!
Go to HTCDev.com to get started.. (This will VOID your warranty, root your phone & give you super human strenghts)
Previous rooting gave phone's the same voided warranty especially servicing in carriers service center, same deal. Revolutionary method also voids warranty so now people have choices.. (Former Sprint Service Mgr)
As informed please give useful feedback if you have used this method so we know where we stand with this and in fact "IF" HTC is helping us out.
Thx to Doomstang for input-
Doomstang said:
Well I think I've finally gotten somewhere...Wireless Tether was just successfully granted Superuser permissions.
This was all done without ever having rooted this phone in the past...so I accepted the OTA update, unlocked with HTC Dev's process, got a working recovery going, and then got Superuser installed.
graffixnyc posted the link to the working recovery so I used that: http://www.multiupload.com/AQ9KV7IME9
Click to expand...
Click to collapse
And Graffixnyc-
graffixnyc said:
This was the version of CWM that booted for me. I flashed through fastboot and also did a nandroid restore just fine. This was the version IEF(from alpharev) gave me on irc
http://www.multiupload.com/AQ9KV7IME9
I was able to get into recovery from selecting recovery from the fastboot method and from doing adb reboot recovery. Sorry for not posting earlier I had finals yesterday and went out after to celebrate
http://www.multiupload.com/AQ9KV7IME9
Click to expand...
Click to collapse
Please make sure all items are installed and up to date.
Google Android SDK zip:
http://developer.android.com/sdk/index.html
Java Runtime Environment:
http://java.com
HTC Sync (Windows Only):
http://www.htc.com/www/help/
Continued "disclosure"
It is our responsibility to caution you that not all claims resulting or caused by or from the unlocking of the bootloader may be covered under warranty. Please note that unlocking your bootloader does not mean that you will be able to unlock the SIM lock. Unlocking your SIM lock is at the discretion of your operator/carrier and is not part of the bootloader unlocking scope.
Our devices have been designed with our hardware and software specifications in mind and unlocking the bootloader will change the software and may cause unexpected side effects. It is impossible for HTC to ensure the proper functioning of your device after this. In the worst case scenario, it is possible that your device may be physically damaged due to overheating or the behavior of your device might be altered including, but not limited to, hearing aid compatibility (HAC) and specific absorption rate (SAR) values.
Some content on your device may also be invalidated and cannot be accessed any more because of invalid DRM security keys. This includes content that you may have purchased through a 3rd party vendor and through HTC. Furthermore, although you will still be able to receive updates to your device via FOTA (“firmware over the air”), we do not guarantee that updating your device via FOTA will not render your device unusable. Please understand that you will not be able to return your device to the original state and going forward your device may not be held covered under the warranty for all claims resulting from the unlocking of the bootloader. HTC bears no responsibility if your device is no longer usable afterwards.
HTC is committed to assisting customers in unlocking bootloaders for HTC devices. However, due to some of our carrier customers concerns, certain models with specific restrictions may not be able to be unlocked. Please refer to our list of supported devices to see if your device is eligible for unlocking the bootloader.
We strongly suggest that you do not unlock the bootloader unless you are confident that you understand the risks involved. This is a technical procedure and the side effects could possibly necessitate repairs to your device not covered under warranty. If you are still interested in unlocking the bootloader, and you understand the consequences both to your device and to your warranty, then you may refer to the following pages where we have provided the unlocking instructions.
If there's an error you will see screen shot below.. with details on what happened.
So maybe I'm confused about what this does ... I went through the process and everything seems to have worked. Bootloader now shows unlocked. I tried to flash a recovery (both clockworkmod and TWRP) and it seems to flash successfully but when I try to run recovery it just reboots the phone after showing the HTC logo for a minute. I was hoping to install the rooted OTA but not sure what to try next...
nabbed said:
No. I'm not confused about the unlock.
I'm worried about a man who makes a guide about unlocking the device he does not have...
Am I wrong to be worried, about a man, who makes a post, about unlocking a device, he does not have?
Has has tested the method?
Click to expand...
Click to collapse
Yooooo. Godzson is a trusted guy and helps many devs in the community. No sense in flamming him when you'll just start pissing off devs here.
Sent from my PG86100 using Tapatalk
Godzson is a trusted member on here. Don't think you have to worry about him. Why would someone take all this time to write up a post with pics and the info just to mess with people? Smh....... Alot of the devs in the 3d community who do roms and themes don't even have the damn 3d. Don't start turning this community into **** by questioning people trying to help.
gthing said:
So maybe I'm confused about what this does ... I went through the process and everything seems to have worked. Bootloader now shows unlocked. I tried to flash a recovery (both clockworkmod and TWRP) and it seems to flash successfully but when I try to run recovery it just reboots the phone after showing the HTC logo for a minute. I was hoping to install the rooted OTA but not sure what to try next...
Click to expand...
Click to collapse
TWRP doesn't work and CWM Is a hit or miss. You should of tried the stock recovery, I think it had one. Wait till a root for the new boot loader I say.
I think the unlocked just gives partial access to the bootloader if I am correct. Your security flag(s-off) is still on.
Sent from my EVO3D(overclocked) via XDA App
Godzson is only posting to what HTC promised, here a unlocker. He is also a trusted member, who provides a substantial amount of information for the community. Please they are also right to say some dev, and do not have this device and do an amazing job developing for it. let's please keep peaceand move forward..
Why waste your time reposting instructions found on htcdev.com? People want to know what happens after you do the method and how it helps put custom software on your phone.
mwalt2 said:
Why waste your time reposting instructions found on htcdev.com? People want to know what happens after you do the method and how it helps put custom software on your phone.
Click to expand...
Click to collapse
Because sometimes people want to see the process without having to DO the process....
Why question it? Just don't read through 2 pages or more of posts if it's offensive to you.
Yo GODZSON, you do know that the little green android guy isn't the only one that's green around here, don't you? LMFAO. Just look at the noobs trying to flame you, and don't even know anything about you, LOL. Yeah, LOL. Like they got room to talk. Keep up the great work buddy.
On a more serious note, does this method actually allow you to root? Cuz I didn't really see anything on HTC's site, or in your post about rooting. Yet the title states rooting with HTC's unlock method. Just a fyi.
Sent from my PG86100 using XDA Premium App
Well sir maybe doing a lil research would benefit the questions. I did assist with 2 threads in Evo3D (screen pics and 3D converting). I placed this for information to the community and for knowledge to those that may want to see what it looks like and have other options of rooting their phone. I do have the device but's its been rooted therefore I havent tried this "Official" method. Would be nice to ask with some manners in XDA you can get suspended, banned, etc for your actions, this is a community to help each other out.
Thanks to all the fellow dev's for the kind words.. to all the noobs with lack of knowledge no worries we're here for you to help out, much love for you.. hey we all started there at one time
Well I think I've finally gotten somewhere...Wireless Tether was just successfully granted Superuser permissions.
This was all done without ever having rooted this phone in the past...so I accepted the OTA update, unlocked with HTC Dev's process, got a working recovery going, and then got Superuser installed.
graffixnyc posted the link to the working recovery so I used that: http://www.multiupload.com/AQ9KV7IME9
this is a joke!
HTC's unlocked bootloader is a joke, it just says "unlocked" but you cannot flash any new recoveries and you get S-ON. Don't try this folks, stay rooted! My 3D is now officially bricked with HTC method, it's not unlocked at all as you can't do anything with it.
zedomax said:
HTC's unlocked bootloader is a joke, it just says "unlocked" but you cannot flash any new recoveries and you get S-ON. Don't try this folks, stay rooted! My 3D is now officially bricked with HTC method, it's not unlocked at all as you can't do anything with it.
Click to expand...
Click to collapse
I'm very sorry to hear yours was bricked but I was able to flash a working recovery (although the first 2 I tried did fail) and gain SU permissions even with S-ON still showing.
thnx
Doomstang said:
I'm very sorry to hear yours was bricked but I was able to flash a working recovery (although the first 2 I tried did fail) and gain SU permissions.
Click to expand...
Click to collapse
Thanks I actually saw your post and trying that now! We will have ROOT!
It does look like things are working for some starting here in one of the other threads.
Great write up
Lol, sorry HTC. We beat you to it.
Sent from my EVO 3D using XDA Premium App
The unlock is terrible, I got it to work on my Dad's phone, but I could only get into clockwork once, TWRP doesn't work, and only a manual flash of clockwork seemed to work, I tried to get in with Rom Manager for him so he could do a backup, and it wouldn't go either, and it didn't want to go back in for me manually either, just boots up.
Oh well, I managed to root it and get a rom installed. So we shall see how everything goes.
It's S-ON still, which is complete crap.
nfollin said:
The unlock is terrible, I got it to work on my Dad's phone, but I could only get into clockwork once, TWRP doesn't work, and only a manual flash of clockwork seemed to work, I tried to get in with Rom Manager for him so he could do a backup, and it wouldn't go either, and it didn't want to go back in for me manually either, just boots up.
Oh well, I managed to root it and get a rom installed. So we shall see how everything goes.
It's S-ON still, which is complete crap.
Click to expand...
Click to collapse
4.0.1.5 failed for me too.
I started with CWM 4.0.1.4.
I clicked update recovery in ROM Manager and it said 4.0.1.5 successfully installed after I granted it SU permissions. Had it reboot into recovery from ROM manager and the phone just restarted...so I manually went to recovery via HBoot and it fails to load and restarts the phone. I guess I'll push that 4.0.1.4 back to it now.
so the bootloader gets unlocked but yet it stays S-on? wtf lol ?

[Q] Relocking bootloader? Or at least fooling AT&T

So I discovered a slight gap on certain edges of my One, which I got a week ago, and want to return it to AT&T for one that hopefully has no issues, but I've rooted, unlocked the bootloader, and flashed CM 10.1 on there. I searched through google and the forums here on XDA to find a method to relock the bootloader and go back to stock, but my search was fruitless. Apparently something called an RUU was needed? And according to the last post in this thread, that isn't available.
Is the RUU available now? Or is it currently impossible to relock the bootloader?
If so, would I be able to pull off just flashing the stock ROM back onto the phone and bringing it into AT&T? I feel like the only way they would realize something was different with the phone would be if they rebooted it, as I highly doubt most of the people in that store could even get into the bootloader screen. They had trouble syncing my google account.
Unless, of course, they send it back to the manufacturer and then THEY say that the warranty is voided because of the unlocked bootloader... but I don't know if they go through all that trouble in this situation?
Thanks for the help.
CAC1291 said:
So I discovered a slight gap on certain edges of my One, which I got a week ago, and want to return it to AT&T for one that hopefully has no issues, but I've rooted, unlocked the bootloader, and flashed CM 10.1 on there. I searched through google and the forums here on XDA to find a method to relock the bootloader and go back to stock, but my search was fruitless. Apparently something called an RUU was needed? And according to the last post in this thread, that isn't available.
Is the RUU available now? Or is it currently impossible to relock the bootloader?
If so, would I be able to pull off just flashing the stock ROM back onto the phone and bringing it into AT&T? I feel like the only way they would realize something was different with the phone would be if they rebooted it, as I highly doubt most of the people in that store could even get into the bootloader screen. They had trouble syncing my google account.
Unless, of course, they send it back to the manufacturer and then THEY say that the warranty is voided because of the unlocked bootloader... but I don't know if they go through all that trouble in this situation?
Thanks for the help.
Click to expand...
Click to collapse
For a quick and easy way, just boot into fast boot and cmd "fastboot oem lock"
The only problem with that is that if they DO boot into the bootlaoder, it will say "RELOCKED" instead of "LOCKED"
The longer way, is to S-OFF (find it in the international forum) and then follow instructions there to put the "LOCKED" text back.
CAC1291 said:
So I discovered a slight gap on certain edges of my One, which I got a week ago, and want to return it to AT&T for one that hopefully has no issues, but I've rooted, unlocked the bootloader, and flashed CM 10.1 on there. I searched through google and the forums here on XDA to find a method to relock the bootloader and go back to stock, but my search was fruitless. Apparently something called an RUU was needed? And according to the last post in this thread, that isn't available.
Is the RUU available now? Or is it currently impossible to relock the bootloader?
If so, would I be able to pull off just flashing the stock ROM back onto the phone and bringing it into AT&T? I feel like the only way they would realize something was different with the phone would be if they rebooted it, as I highly doubt most of the people in that store could even get into the bootloader screen. They had trouble syncing my google account.
Unless, of course, they send it back to the manufacturer and then THEY say that the warranty is voided because of the unlocked bootloader... but I don't know if they go through all that trouble in this situation?
Thanks for the help.
Click to expand...
Click to collapse
Get S-OFF, I was able to remove TAMPERED and change my UNLOCKED to LOCKED. You can also flash a modded HBoot that will take the red letters away and change the text from S-OFF to S-ON this will allow it to look like you never touched a thing
To get S-OFF I recommend http://forum.xda-developers.com/showthread.php?t=2314582
To mod your HBoot go through the post from here http://forum.xda-developers.com/showthread.php?t=2316726 (to download the HBOOT and here http://forum.xda-developers.com/showthread.php?t=1786498 to download the tool to create the modified HBOOT
But to let you know, I have returned 2 HTC Ones with unlocked bootloaders and AT&T did not say anything. Just flash the stock rom, make sure fastboot in enabled and leave it booted to the set up screen. Above is for if you want to be thorough and make sure you cover all your bases.

[Q] AT&T HTC One M8: How to flash back to stock

I recently unlocked my bootloader and rooted my phone. I installed TWRP and flashed a couple of custom roms ( GPE & Revolution HD ) I decided i want to go back to stock. I understand so far i gotta unroot, flash stock rom and re lock bootloader. I read something about RUU files. Any one have suggestion or help how i go about this? Again, i have AT&T varient, currently on Revolution HD Rom
Famous22 said:
I recently unlocked my bootloader and rooted my phone. I installed TWRP and flashed a couple of custom roms ( GPE & Revolution HD ) I decided i want to go back to stock. I understand so far i gotta unroot, flash stock rom and re lock bootloader. I read something about RUU files. Any one have suggestion or help how i go about this? Again, i have AT&T varient, currently on Revolution HD Rom
Click to expand...
Click to collapse
There is currently no RUU available as of right now. I think the best you can do for now is to a TWRP restore. There is a stock rooted TWRP in the Android Dev forum. Although this won't un-root you, its closest to stock that you will get. For the future, always make a backup before you root and then you won't have to worry
TheEmpyre said:
There is currently no RUU available as of right now. I think the best you can do for now is to a TWRP restore. There is a stock rooted TWRP in the Android Dev forum. Although this won't un-root you, its closest to stock that you will get. For the future, always make a backup before you root and then you won't have to worry
Click to expand...
Click to collapse
I just ordered my device and still waiting on it to be delivered. I'm already debating on whether or not to root as I've never owned an android phone that i didn't root. From what i understand, the bootloader needs to be unlocked, then s-off, flash recovery and then root. Now, if i'm to do a nandroid of the stock ROM before I root, will I be able to lock the bootloader again, nandroid and s-on in case I need to utilize the warranty? Also, will any warranty bits show up or a tampered flag or any other problem arise that'll indicate it's been farked with? Is there a way to undo those flags? Thanks in advance to TheEmpyre or whomever else can shed some light on this.
EDIT: If the s-off is the only step that will trip the flag, is it possible to leave S, er, ON?
brianray14 said:
I just ordered my device and still waiting on it to be delivered. I'm already debating on whether or not to root as I've never owned an android phone that i didn't root. From what i understand, the bootloader needs to be unlocked, then s-off, flash recovery and then root. Now, if i'm to do a nandroid of the stock ROM before I root, will I be able to lock the bootloader again, nandroid and s-on in case I need to utilize the warranty? Also, will any warranty bits show up or a tampered flag or any other problem arise that'll indicate it's been farked with? Is there a way to undo those flags? Thanks in advance to TheEmpyre or whomever else can shed some light on this.
EDIT: If the s-off is the only step that will trip the flag, is it possible to leave S, er, ON?
Click to expand...
Click to collapse
Unlocking the bootloader trips a flag. When you relock it gets rid of one flag but trips the relocked flag. Soff can get rid of all flags but you have to leave it soff. Turning it back on throws a security flag.
Sent from my HTC One_M8 using XDA Premium 4 mobile app
If you are current AT&T customer, and can go through them for warranty, they do not care in the least whether you are bootloader unlocked, rooted, s-off, etc.
I know AT&T written policy says otherwise (they have the right refuse warranty on modded phones) but in reality they cherish you paying that nice monthly bill every month over the modest cost of a refurb phone.
I've come over from the One X (EVITA) forum, and there were many (possibly dozens) of report from XDA users successfully returning their devices for warranty with bootloader RELOCKED, UNLOCKED, and in some cases even with custom ROMs installed! And I haven't seen any reports otherwise (AT&T denying warranty due to modded phone).
If you are not a current AT&T customer, and have to go through HTC, that is a different story.
But if you are an AT&T customer, my personal opinion is that you do not need to care about being able to return to stock, tripping flags, etc. Just mod away.
redpoint73 said:
If you are current AT&T customer, and can go through them for warranty, they do not care in the least whether you are bootloader unlocked, rooted, s-off, etc.
I know AT&T written policy says otherwise (they have the right refuse warranty on modded phones) but in reality they cherish you paying that nice monthly bill every month over the modest cost of a refurb phone.
I've come over from the One X (EVITA) forum, and there were many (possibly dozens) of report from XDA users successfully returning their devices for warranty with bootloader RELOCKED, UNLOCKED, and in some cases even with custom ROMs installed! And I haven't seen any reports otherwise (AT&T denying warranty due to modded phone).
If you are not a current AT&T customer, and have to go through HTC, that is a different story.
But if you are an AT&T customer, my personal opinion is that you do not need to care about being able to return to stock, tripping flags, etc. Just mod away.
Click to expand...
Click to collapse
I can second this. I just had to replace my m8 because the speakers were crackling like crazy, my bootloader showed relocked and they told me straight up that they didn't care about that as long as it was a hardware problem and not a software problem and replaced it on the spot.
I was under the impression that if you were in your first year of owning the device that faulty hardware would be covered under HTC's factory warranty and not AT&T?
brianray14 said:
I was under the impression that if you were in your first year of owning the device that faulty hardware would be covered under HTC's factory warranty and not AT&T?
Click to expand...
Click to collapse
Looking at the return info, I can see where the confusion might come from. It says "Return directly to manufacturer" for 15 days or more:
http://www.att.com/shop/wireless/returnpolicy.html#fbid=KMGdewZyG_f
But AFAIK, all warranty returns go to AT&T when you work through their warranty department. You send them your defective phone, and they send you a refurb. I haven't had to go through this process myself, but this is what has been reported many times on XDA and other forums.
Any update on this how to lock bootloader for HTC M8 AT&T with 4.4.3 InsertCoin 4.1.1 Rom S-On of course.
How do I lock the bootloader in order to upgrade to stock 4.4.4?
im2c0ol said:
Any update on this how to lock bootloader for HTC M8 AT&T with 4.4.3 InsertCoin 4.1.1 Rom S-On of course.
How do I lock the bootloader in order to upgrade to stock 4.4.4?
Click to expand...
Click to collapse
No "update" on this issue is required. The process has been the same for a couple years or more. Further, you've posted the same/similar question to multiple places, and its been answered already in multiple places.
Connect phone to computer in fastboot mode.
Open command prompt, and type: fastboot OEM lock
From there, you can run the RUU.

[Q] Return to AT&T State for Warranty

I need to return my HTC One M7 back to its native AT&T state when purchased to claim on the warranty.
I found a link that seems to be what I need but would welcome confirmation of this being applicable. I have a rooted, S-Off, CID (all the ones 11111) and running the latest firmware with the latest radio too.
I assume that if I follow the guide I will be able to use a standard AT&T RUU and get the full firmware, radio and ROM back?
http://www.android.gs/unroot-htc-one-relock-bootloader-restore-stock-jb-4-2-2/
Any advice would be most welcome.
Thanks
tony.wheeler said:
I need to return my HTC One M7 back to its native AT&T state when purchased to claim on the warranty.
I found a link that seems to be what I need but would welcome confirmation of this being applicable. I have a rooted, S-Off, CID (all the ones 11111) and running the latest firmware with the latest radio too.
I assume that if I follow the guide I will be able to use a standard AT&T RUU and get the full firmware, radio and ROM back?
http://www.android.gs/unroot-htc-one-relock-bootloader-restore-stock-jb-4-2-2/
Any advice would be most welcome.
Thanks
Click to expand...
Click to collapse
You could also follow nkk71's SuperGuide for returning to 100% Stock the link is in my signature. Since you are already S-OFF it should be a pretty straight forward process. If you are returning it for warranty you will need to remove the "Tampered" and "Lock" the bootloader when you are finished. nkk71's guide will walk you through the steps.
majmoz said:
You could also follow nkk71's SuperGuide for returning to 100% Stock the link is in my signature. Since you are already S-OFF it should be a pretty straight forward process. If you are returning it for warranty you will need to remove the "Tampered" and "Lock" the bootloader when you are finished. nkk71's guide will walk you through the steps.
Click to expand...
Click to collapse
Great! Many thanks for the help. I followed the guide and all went well and I now have the phone back to the original state!
GL
tony.wheeler said:
Great! Many thanks for the help. I followed the guide and all went well and I now have the phone back to the original state!
Click to expand...
Click to collapse
Took, some doing, but I wanted to be safe. I put everything back to a totally untampered state starting with S-On, so anybody that says that's not possible is incorrect.
I just got my phone back today (currently putting it back to awesome) I had faulty camera issue. I just called them up, the help support line is very easy and fast. Plus they won't let you warranty it over email. They said they repaired my phone, but it appears they gave me a brand new phone and applied my original imei / serial which seems very odd. Either that or they gave me new everything, except for the motherboard (highly unlikely). Fairly quick once they got my phone. Plus they give you a free shipping label since we own "premium devices".
zanch said:
Took, some doing, but I wanted to be safe. I put everything back to a totally untampered state starting with S-On, so anybody that says that's not possible is incorrect.
I just got my phone back today (currently putting it back to awesome) I had faulty camera issue. I just called them up, the help support line is very easy and fast. Plus they won't let you warranty it over email. They said they repaired my phone, but it appears they gave me a brand new phone and applied my original imei / serial which seems very odd. Either that or they gave me new everything, except for the motherboard (highly unlikely). Fairly quick once they got my phone. Plus they give you a free shipping label since we own "premium devices".
Click to expand...
Click to collapse
I'm gonna send mine in to get the camera fixed as well. Did you go through AT&T or HTC? And how did the process work, from start to finish? Thank you.
pankakes said:
I'm gonna send mine in to get the camera fixed as well. Did you go through AT&T or HTC? And how did the process work, from start to finish? Thank you.
Click to expand...
Click to collapse
This is probably now irrelevant, but I went through HTC (doubt you could go through ATT as they didn't make the phone). I highly recommend you call them as they're very responsive over the phone. Just verify that they get your email typed in correctly. Had they done that I would have been done with this process very quickly. They supply 2 day shipping labels and everything. Overall, I'm very impressed with the service. They give you a brand new phone! At least a new looking phone. Surprising thing is that it has the same IMEI, serial etc. Hope that helps others! You should expect a 2 week turnaround time with shipping and everything.

[Q] Help Unroot and go back to full Stock 5.0.2

I got this phone off a friend, and I have a opportunity to trade my M8 for a M9 plus cash. The problem is that the guy won't trade without the phone being completely stock with no root or any signs.
I've searched quite a bit on this forum for answers and everything is for older versions of Android. I can't find what RUU I would need or if it's even available. I seen a guide and tutorial from theunlckr, but it's from mid 2014.
I'm looking for a complete guide from start to end that will put this phone back to stock. This would be my first time and I don't know jack about what to do when it comes to this stuff. I'm very computer savvy so it shouldn't be a issue.
The info is following when I boot into recovery:
First off, the HTC logo will appear saying it's property of HTC and something about developers in red.
Software Status : Modified
Unlocked
M8_UL_CA PVT SHIP S-ON
HBOOT-3.19.0.0000
[email protected]
OPENDSP-v47.2.2-00564-M8974_FO.1024
OS-4.28.502.1
eMMC-boot 2048MB
4/20/15
There is also a Team Win application or recovery when I choose to do a factory reset.
Please if someone can help, I need to do this soon.
rlockwich said:
I've searched quite a bit on this forum for answers and everything is for older versions of Android. I can't find what RUU I would need or if it's even available.
Click to expand...
Click to collapse
You want the Lollipop (Android 5.0.2) AT&T RUU (software number 4.28) which is linked on my Index thread at the top of the General AT&T M8 forum section: http://forum.xda-developers.com/showthread.php?t=2751432
Relock the bootloader (command: fastboot oem lock) then just run the RUU (Windows executable).
rlockwich said:
I got this phone off a friend, and I have a opportunity to trade my M8 for a M9 plus cash. The problem is that the guy won't trade without the phone being completely stock with no root or any signs.
Click to expand...
Click to collapse
What "completely" stock means is a bit complicated (and may vary depending on the person). You can relock the bootloader and run the RUU. Everything will be stock, except that the phone will say RELOCKED in bootloader instead of UNLOCKED (which is the factory condition).
The only way to make it say LOCKED is to s-off by sunshine ($25) then change the flag to LOCKED. Then go back to s-on. But IMO, its not worthwhile to spend money to sell/trade a phone; and not worth the money, time and effort for something that is very minor.
Functionally, there is no difference between RELOCKED and LOCKED. The only reason anyone would care, is if they want to make a warranty claim with HTC. In that case, they may deny any claim anyway, since there is already a record of the bootloader being unlocked via HTCDev.com (tracked by the phone's IMEI). Not even sure if the warranty (1 year from purchase) would be valid, anyway for a device that has changed hands 2 times.
I would recommend you ask the buy/trade partner if RELOCKED bootloader is okay. Otherwise, find someone else to trade with.
rlockwich said:
First off, the HTC logo will appear saying it's property of HTC and something about developers in red.
Click to expand...
Click to collapse
This, and TWRP recovery will be gone once you RUU.
RUU will re-image the entire phone to stock factory (Lollipop) condition. So it will be stock ROM, stock recovery, no root, etc.
You should also remove your SD card (if one is inserted), then go into phone settings and wipe all storage, to make sure the internal storage/virtual SD is wiped of your personal data.
Will this make him be able to do OTA updates for when 5.1 comes?
rlockwich said:
Will this make him be able to do OTA updates for when 5.1 comes?
Click to expand...
Click to collapse
Yes. The only requirements for OTA are stock ROM and stock recovery, which post-RUU state satisfies both.
Note that OTA updates for the AT&T version are only available when connected to AT&T's network. So if the buyer is asking if he will get OTAs, and he happens to be using another carrier, the answer is NO. And in that case, the RUU for the next update is his best option.
It was a success! Thank you for taking the time to help me out. I really appreciate everything you've done!
Do you think it's necessary to wipe from the settings in backup/restore after doing the RUU?
I read somewhere that there are files left behind from the root, after unrooting....does the RUU wipe all of this away, so there won't be a need to do a 2nd reset after the RUU completes?
rlockwich said:
Do you think it's necessary to wipe from the settings in backup/restore after doing the RUU?
I read somewhere that there are files left behind from the root, after unrooting....does the RUU wipe all of this away, so there won't be a need to do a 2nd reset after the RUU completes?
Click to expand...
Click to collapse
Can never remember for certain; but I think RUU just wipes user data, and normally leaves internal storage intact. Not just files used for root, but personal files, too. So you will want to make sure internal storage is wiped.
Therefore, I do recommend going to Backup & Reset in Settings, pick Reset phone in order to make sure internal storage is wiped.

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