Question [Help] Knox / Flashing Issues - Samsung Galaxy A02s

Hello,
INFO
1. I recently tripped Knox while disabling a system app. (first Samsung; I'm loving it)
It simply gave an error that Knox was tripped every time I rebooted. So I Reset. No fix.
2. So I tried to utilize the download mode to flash stock firmware (using ODIN); now the problem is:
The phone fails to boot past the animation which appears past the SAMSUNG Logo (does not get into OS). It ends up stuck there unless I bootloop it by holding volume buttons and power button and I can get into download mode. I got into recovery once but I don't remember how.
QUESTIONS
3. I would like to try using QPST to flash a new image at a lower level, but I don't know how to get QPST compatible Images? (ODIN files come as .MD5 archives).
4. Perhaps the problem is with the CSC Code? How do I find the CSC code when I cannot boot? I have the option to display a barcode. Model # S124DL(GP) [tracfone version]. I flashed the TFA ROM on ODIN.
If there is a solution that does not have to do with my methods, feel free to disregard it. Thanks if anyone can help with this issue.

Have you ticked NAND Erase on Odin?
Also, make sure to get the right firmware that matches the same one as your device.

Disabling a system app shouldn't trip knox, what did you disable and how?

Related

[Q] Hard bricked after using the Galaxy S3 Toolkir

Alright, so here's my problem:
I just upgraded to the Galaxy S III yesterday, and today decided to try to 'root' the device. So I found the Toolkit here on XDA (from here), and went through the initial steps without any issues (driver installation, device recognition, etc..).
I then went to the 'rooting option' menu, where I selected the first--and most basic --option, which was to only install Super User, and the push the permissions.
I was following the automated guide, opened Odin, selected the correct file, 'boot-insecure-i9300xxale8-gsm.tar', and made sure only 'auto-restart' and F.reset time' were checked, and clicked 'start'. The flash appeared to have gone well, but when it tried to restart, the phone never rebooted. I attempted to reboot into download mode (Vol. Down + Home + Power), but the device was unresponsive. I then browsed around the forums a bit looking for other methods, including taking the battery out for several minutes, then putting it back in whilst holding down the 'download mode' button combination, and other various variations of that method; yet again, none prevailed.
The device gives no indicator lights when plugged in, no light up when the power button is held down, and is overall seemingly unresponsive. However, when I hold down the 'home' button alone - after about 30 seconds - a green vertical battery appears on the screen, with a little white loading indicator on it, but vanishes after about 5 seconds or so, and the device becomes unresponsive once more.
The device is not being recognized by my computer whatsoever, no beeps or anything when plugged in.
Any ideas as to what I can do?
EDIT: I have been able to get into 'Download mode' somehow, but after trying to reflash the stock rom, it went back to the 'Unresponsive' mode. I have it in Download mode again currently, so what do I do from here?
I assume it is still under warranty, since it is less than a few days old. Return it to the store claiming hardware malfunctioning.
Forget about the toolkit. In my opinion, it's quite useless (as you know by now), and it tends to automate tasks that are simple by nature.
Even although I appreciate the effort the developers of the toolkit put into it, I would never do it, since I want to have control of the entire process: I want to know exactly what is being done and why, and that is something the Toolkit won't give me.
If you want to root your phone and keep it stock, do this:
- Install the drivers for the device.
- Install SiyahKernel for S3 version 1.3 using ODIN.
- Install superSU (from market) and let it update it's binary su
- Install MobileOdin (free version)
- download the latest Samsung ROM (such as DBT [Germany] or ITV [Italy]) using CheckFus downloader
- copy the downloaded and unzipped ROM to your phone's external SD card (just the .md5 file)
- using MobileODIN, flash the ROM and select the "EverRoot" feature
- after reboot the ROM will be updated, stock, but with root
- Install TriangleAway to get rid of any annoying triangles and to reset the binary counter
Done. supposing the ROM is already downloaded, the entire process takes exactly 4 minutes.
Simonetti2011 said:
I assume it is still under warranty, since it is less than a few days old. Return it to the store claiming hardware malfunctioning.
Forget about the toolkit. In my opinion, it's quite useless (as you know by now), and it tends to automate tasks that are simple by nature.
Even although I appreciate the effort the developers of the toolkit put into it, I would never do it, since I want to have control of the entire process: I want to know exactly what is being done and why, and that is something the Toolkit won't give me.
If you want to root your phone and keep it stock, do this:
- Install the drivers for the device.
- Install SiyahKernel for S3 version 1.3 using ODIN.
- Install superSU (from market) and let it update it's binary su
- Install MobileOdin (free version)
- download the latest Samsung ROM (such as DBT [Germany] or ITV [Italy]) using CheckFus downloader
- copy the downloaded and unzipped ROM to your phone's external SD card (just the .md5 file)
- using MobileODIN, flash the ROM and select the "EverRoot" feature
- after reboot the ROM will be updated, stock, but with root
- Install TriangleAway to get rid of any annoying triangles and to reset the binary counter
Done. supposing the ROM is already downloaded, the entire process takes exactly 4 minutes.
Click to expand...
Click to collapse
Thank you so much for responding!
I have the phone in download mode right now though, as I've been able to get that far. Is there anything I can do from here to fix the issue? I really don't want to take it back up, and face the chance of confrontation if they decided to call me out on the issue.
I tried flashing the Sinyah Kernel via Odin just now, using the PDA mode, but once again, just flashes the Samsung logo for a brief second, and disappears, leaving me with a black screen.
Samsung don't seem to really care if you have rooted or not, so far about 4 people in 2 days on this and other for mums have returned phones because they have possibly bricked them, all got them exchanged with out a problem.
To unroot and return your galaxy S3 to stock for warranty watch this. http://www.youtube.com/watch?v=_8Tga_yKywc&feature=youtube_gdata_player
Zenno said:
Thank you so much for responding!
I have the phone in download mode right now though, as I've been able to get that far. Is there anything I can do from here to fix the issue? I really don't want to take it back up, and face the chance of confrontation if they decided to call me out on the issue.
I tried flashing the Sinyah Kernel via Odin just now, using the PDA mode, but once again, just flashes the Samsung logo for a brief second, and disappears, leaving me with a black screen.
Click to expand...
Click to collapse
Flash a stock rom for your phone and location or if it was a branded phone flash that .
Even if it does not boot you stand a better chance under warranty .
Say you where doing a Kies update and it just failed to reboot .
jje
JJEgan said:
Flash a stock rom for your phone and location or if it was a branded phone flash that .
Even if it does not boot you stand a better chance under warranty .
Say you where doing a Kies update and it just failed to reboot .
jje
Click to expand...
Click to collapse
I tried to reboot the stock firmware 'boot-stock-i9300xxale8-gsm.tar', but when Odin failed to reboot the phone, and I manually put it back into download mode, it still said my binary was 'Custom'.
Should I be trying to flash that under 'Bootloader' in Odin or something? Because I've been doing 'PDA' and it hasn't been working.
Download an original, stock ROM from samsung-updates.com or use checkFus downloader.
That is what you'll flash.
This is the one I use: http://samsung-updates.com/get/1932/Samsung_Firmware_GT-I9300_DBT_I9300XXALF6_Android_4_0_4.html
After some further browsing, I was able to fix it thanks to this post here, posted by 'mskip'.
Whew! That was stressing. Thanks guys for helping out though!
How to get out of hard brick to download mode
Zenno said:
After some further browsing, I was able to fix it thanks to this post here, posted by 'mskip'.
Whew! That was stressing. Thanks guys for helping out though!
Click to expand...
Click to collapse
After hardware brick, how did you get it back to download mode agian?
i cnat do anything , no turn on no charging, nothing, how you do it?
i think if i can get it back to dowload mode, i can flash out the stock rom again.
any advise will help
Pull the Batteery
jiafu790617 said:
After hardware brick, how did you get it back to download mode agian?
i cnat do anything , no turn on no charging, nothing, how you do it?
i think if i can get it back to dowload mode, i can flash out the stock rom again.
any advise will help
Click to expand...
Click to collapse
Remove the battery for about 2 minutes, replace it and immediately try to go into download mode. This worked for me
same problem
Hard bricked it too, flashed a wrong rom made for international model, i have the att model are you sure taking out the battery works?
Zenno said:
EDIT: I have been able to get into 'Download mode' somehow, but after trying to reflash the stock rom, it went back to the 'Unresponsive' mode. I have it in Download mode again currently, so what do I do from here?
Click to expand...
Click to collapse
I have the same problem! Do you know how you got into download mode?
Surge411 said:
I have the same problem! Do you know how you got into download mode?
Click to expand...
Click to collapse
Just keep trying,I must have removed the battery and pressed the buttons over six times to get into download mode. Hope you get there.

How to remove Samsung Retail Mode on S6 Edge Live Demo Unit (LDU) SM-G925X?

I bought a S6 Edge LDU (LRX22G.G925XXXU1AOC6_LLK) off ebay in hope of getting rid of the Samsung Retail Mode and using it as a wifi device. The retail mode is very annoying : it runs the demo by itself, reset phone to demo mode by itself. No matter what you do to the phone, like install apps, taking pictures, they will be wiped by this retail mode automatically. Plus, the phone can't be restarted nor powered off, and the entire Developer Options is greyed out (which means no USB debugging mode). Moreover, stock recovery can't wipe data/factory reset.
To remove the retail mode, I followed instructions that I can find on XDA, but it hasn't been successful so far. Here's what I have done.
1. I followed those instructions on how to disable Samsung Retail Mode with password 5444 or galaxy or any other password, but none works, even the menu in Samsung Retail Mode is different: There is no "“Configuration settings”, instead, there is "Store Settings" which asks for password.
2. I let the power runs out, then replug power and hold power/home/volume up to enter recovery mode. Wiped cache successfully . But when I tried to wipe data/factory reset, I got message that says:"MDM does not allow FactoryReset". This means factory reset on this device is locked by Samsung. Google shows demo unit from other models has this same issue and can be fixed by flash certain twrp. But it seems no twrp works on G925x yet.
Then I unplug the power to let power runs out, replug power and let the phone go into download mode, and Odin flashed
the tar file modified from G925FXXU1AOE3_G925FDBT1AODO_DBT.zip (with cm.bin and sboot.bin removed)
The flash succeeded, but the phone stuck at Samsung Logo page, it also seems the recovery mode is gone, only download mode is still available. I also Odin flashed tar file modified from T-mobile stock rom, same result. Stock 925F recovery doesn't work.
4. This soft-brick was later restored by flashing the stock recovery for SM-925X extracted from the stock firmware downloaded from a paid website.
link to the file:
http://forum.xda-developers.com/attachment.php?attachmentid=3427316&d=1438623299
5. The search is still on for:
1) Password that can disable Samsung Retail Mode, allow factory reset, or
2) Method to wipe MDM or
3) Custom recovery that works on G925x.
I managed to download files claimed to be the official firmware for SM-G925X. Although Odin flashed failed, but it did restore the Current Binary from Custom to Samsung Official. There are three files in total with name:
BL_G925XXXU1AOC6_LLK_CL4260274_QB4268704_REV02_user_low_ship.tar.md5
CSC_PAP_G925XPAP1AOC6_LLK_CL4260274_QB4268704_REV02_user_low_ship.tar.md5
AP_G925XXXU1AOC6_LLK_CL4260274_QB4268704_REV02_user_low_ship.tar.md5 (this file failed Odin's md5 check)
I managed to restore stock recovery with the files I got and I was able to enter stock recovery mode. When I tried to wipe data/factory reset, I still got message that says:"MDM does not allow FactoryReset".
Which site you downloaded?
mahch said:
Which site you downloaded?
Click to expand...
Click to collapse
A paid site, cost me $30.
shadowcliffs said:
A paid site, cost me $30, but problem is not fixed.
Click to expand...
Click to collapse
Hello
can u share those file with us.?
please share that website or files.
I went through this and through a series of trial and error with Odin and apps I got my SM-G925X Live Demo Unit wiped. Developer options are no longer greyed out. I can also do a full factory reset and it knows if there is a sim card in it, but no signal of course
First I installed cf-auto-root smg920f. The 925 version woundn't boot. Auto root was the only file that I could get Odin to install. I then installed root browser from play store and used it to go through all the folders and files and deleted whole folders and files that referenced retail, demo, or anything like that was manually deleted. At times the application would close and I would have to open root browser again and get back to where I left off. it eventually stopped closing at random as more of the demo folders and files were deleted. I eventually got it all deleted. No more retail demo software I still was not able to do a full factory reset due to MDM. I finally found a file today, that Odin would flash to the Phone AP_G925FXXU1AOCV_CL4497415_QB4506175_REV02_user_low_ship.tar.md5 This did the trick, MDM was no longer stopping me from doing a full factory reset and I now had access to developer options as well as the phone telling me there was no sim card in the tray :laugh:
Hope this helps
warpcoil said:
I went through this and through a series of trial and error with Odin and apps I got my SM-G925X Live Demo Unit wiped. Developer options are no longer greyed out. I can also do a full factory reset and it knows if there is a sim card in it, but no signal of course
First I installed cf-auto-root smg920f. The 925 version woundn't boot. Auto root was the only file that I could get Odin to install. I then installed root browser from play store and used it to go through all the folders and files and deleted whole folders and files that referenced retail, demo, or anything like that was manually deleted. At times the application would close and I would have to open root browser again and get back to where I left off. it eventually stopped closing at random as more of the demo folders and files were deleted. I eventually got it all deleted. No more retail demo software I still was not able to do a full factory reset due to MDM. I finally found a file today, that Odin would flash to the Phone AP_G925FXXU1AOCV_CL4497415_QB4506175_REV02_user_low_ship.tar.md5 This did the trick, MDM was no longer stopping me from doing a full factory reset and I now had access to developer options as well as the phone telling me there was no sim card in the tray :laugh:
Hope this helps
Click to expand...
Click to collapse
Hey, I am having this same issue but my model is SM-G925A. Do you think I would have any issues following these steps? I think that I have an actual live unit with the demo installed. Would this possibly prevent me from using it as an actual phone that could make and receive phone calls?
TotalNoob9000 said:
Hey, I am having this same issue but my model is SM-G925A. Do you think I would have any issues following these steps? I think that I have an actual live unit with the demo installed. Would this possibly prevent me from using it as an actual phone that could make and receive phone calls?
Click to expand...
Click to collapse
If it's a full phone unit with retail demo installed then I don't see why it wouldn't work once you clear it out. Have you tried to flash with the AT&T firmware ?? As far as cf-autoroot goes I don't know because I dont have your particular devices firmware you can try the 925 autoroot and if it doesn't boot then just use the 920 and then start deleting the files manually .
Would you please share the file AP_G925FXXU1AOCV_CL4497415_QB4506175_REV02_user_low_ship.tar.md5 ?
warpcoil said:
I went through this and through a series of trial and error with Odin and apps I got my SM-G925X Live Demo Unit wiped. Developer options are no longer greyed out. I can also do a full factory reset and it knows if there is a sim card in it, but no signal of course
First I installed cf-auto-root smg920f. The 925 version woundn't boot. Auto root was the only file that I could get Odin to install. I then installed root browser from play store and used it to go through all the folders and files and deleted whole folders and files that referenced retail, demo, or anything like that was manually deleted. At times the application would close and I would have to open root browser again and get back to where I left off. it eventually stopped closing at random as more of the demo folders and files were deleted. I eventually got it all deleted. No more retail demo software I still was not able to do a full factory reset due to MDM. I finally found a file today, that Odin would flash to the Phone AP_G925FXXU1AOCV_CL4497415_QB4506175_REV02_user_low_ship.tar.md5 This did the trick, MDM was no longer stopping me from doing a full factory reset and I now had access to developer options as well as the phone telling me there was no sim card in the tray :laugh:
Hope this helps
Click to expand...
Click to collapse
shadowcliffs said:
I bought a S6 Edge LDU (LRX22G.G925XXXU1AOC6_LLK) off ebay in hope of getting rid of the Samsung Retail Mode and using it as a wifi device. The retail mode is very annoying : it runs the demo by itself, reset phone to demo mode by itself. No matter what you do to the phone, like install apps, taking pictures, they will be wiped by this retail mode automatically. Plus, the phone can't be restarted nor powered off, and the entire Developer Options is greyed out (which means no USB debugging mode). Moreover, stock recovery can't wipe data/factory reset.
To remove the retail mode, I followed instructions that I can find on XDA, but it hasn't been successful so far. Here's what I have done.
1. I followed those instructions on how to disable Samsung Retail Mode with password 5444 or galaxy or any other password, but none works, even the menu in Samsung Retail Mode is different: There is no "“Configuration settings”, instead, there is "Store Settings" which asks for password.
2. I let the power runs out, then replug power and hold power/home/volume up to enter recovery mode. Wiped cache successfully . But when I tried to wipe data/factory reset, I got message that says:"MDM does not allow FactoryReset". This means factory reset on this device is locked by Samsung. Google shows demo unit from other models has this same issue and can be fixed by flash certain twrp. But it seems no twrp works on G925x yet.
Then I unplug the power to let power runs out, replug power and let the phone go into download mode, and Odin flashed
the tar file modified from G925FXXU1AOE3_G925FDBT1AODO_DBT.zip (with cm.bin and sboot.bin removed)
The flash succeeded, but the phone stuck at Samsung Logo page, it also seems the recovery mode is gone, only download mode is still available. I also Odin flashed tar file modified from T-mobile stock rom, same result. Stock 925F recovery doesn't work.
4. This soft-brick was later restored by flashing the stock recovery for SM-925X extracted from the stock firmware downloaded from a paid website.
link to the file:
http://forum.xda-developers.com/attachment.php?attachmentid=3427316&d=1438623299
5. The search is still on for:
1) Password that can disable Samsung Retail Mode, allow factory reset, or
2) Method to wipe MDM or
3) Custom recovery that works on G925x.
Click to expand...
Click to collapse
hi, you can use my "fix" package that cleans (removes SRM) the LDU, adds root and costum recovery here:
http://forum.xda-developers.com/galaxy-s6-edge/help/help-required-bricked-s6-edge-t3095329/page6
Here is a link to download https://www.mediafire.com/folder/79cjpyg0s604p/LDU_FIX
Thanks for sharing!
warpcoil said:
Here is a link to download https://www.mediafire.com/folder/79cjpyg0s604p/LDU_FIX
Click to expand...
Click to collapse
shadowcliffs said:
Thanks for sharing!
Click to expand...
Click to collapse
N.P. Let me know how it works for you . Curious to see how it works for others
warpcoil said:
If it's a full phone unit with retail demo installed then I don't see why it wouldn't work once you clear it out. Have you tried to flash with the AT&T firmware ?? As far as cf-autoroot goes I don't know because I dont have your particular devices firmware you can try the 925 autoroot and if it doesn't boot then just use the 920 and then start deleting the files manually .
Click to expand...
Click to collapse
Hey, thanks for the reply. I am really new to all of this, but I do consider myself a techy type of person. Is there any way that maybe one of you guys could explain step by step what it is exactly that I should attempt to do? What programs, what files should I try for the SM-G925A model, any good how to videos you guys might know? I would really appreciate it.
Thanks in advance.
warpcoil said:
Here is a link to download
Click to expand...
Click to collapse
So... you have and S6 Edge live demo but what color is it ? i've read in some other posts on xda that the software is differenta from one color to another on these S6 demo's... also that AP file you provided has 3.3 GB i find it huge taking into account a G925F rom has 1.6 GB, can you give me more info about how u done it?
---------- Post added at 08:41 AM ---------- Previous post was at 08:31 AM ----------
shadowcliffs said:
Thanks for sharing!
Click to expand...
Click to collapse
hi, did you "repaired" you LDU with the files warpcoil gave you?
AlexBz94 said:
hi, did you "repaired" you LDU with the files warpcoil gave you?
Click to expand...
Click to collapse
Unfortunately I have parted with my S6 Edge LDU so that I don't have chance to test it, but I read someone else reported unsuccessful story using those files in another thread. I'm also not sure how come LDU can be fixed, especially the locked MDM (which prevents factory reset) can be override by flashing an stock AP file. From all my readings, the locked MDM can only be overrided by TWRP. Unfortunately I haven't seen a working TWRP for S6 or Edge LDU yet.
shadowcliffs said:
Unfortunately I have parted with my S6 Edge LDU so that I don't have chance to test it, but I read someone else reported unsuccessful story using those files in another thread. I'm also not sure how come LDU can be fixed, especially the locked MDM (which prevents factory reset) can be override by flashing an stock AP file. From all my readings, the locked MDM can only be overrided by TWRP. Unfortunately I haven't seen a working TWRP for S6 or Edge LDU yet.
Click to expand...
Click to collapse
Well... i can do the factory reset because i enabled it in the samsung retail app... but i don't know what does it have to do the locked MDM with the rooting process and installing a rom for g925f for example ?
AlexBz94 said:
Well... i can do the factory reset because i enabled it in the samsung retail app... but i don't know what does it have to do the locked MDM with the rooting process and installing a rom for g925f for example ?
Click to expand...
Click to collapse
Guess there are different versions of ldu. Some can be unlocked with password 5444 and M729Q16K8546, others won't accept these passwords. Without factory reset unlocked, you will get a message telling you "MDM doesn't allow factory reset" if you try to do it through stock recovery.
Unlocking ldu involves two tasks, and people can mixed them up:
Task 1. stop/remove retail mode app.
This can be achieved by unlocking with password, root or flash a stock AP.
Task 2. Enable factory reset and unlock the ldu partition, otherwise some program auto run at boot to prepare ldu with or without retail mode app, blocks custom recovery, and cripples android system, etc.
I have seen this is achieved with TWRP on other phones.
If you achieved task 1 with password, then you have high chance achieving task 2.
If you achieved task1 with auto-root-cf, then factory reset is still locked, you will have trouble achieve task 2.
If you achieved task 2 then task 1 is out of the question.
Many may only achieve task1 with auto-root-cf and stuck at task 2.

What worked for me to fix: The frp lock Soft-brick (using Samsung Smart Switch)

This will save you 8-12 hours of your time if you are lucky. This means that it also includes the meaningful links of 8-12 hours of searching. Sentences in italic are important. 1 link is for the Odin official website, the rest are re-links back into XDA.
The device in question is a SM-925T Tmobile S6 Edge.
The problem was this. I rooted my phone and messed around with Greenify and the Play store. To prepare for rooting, I allowed unknown downloads, unlocked the bootloader, and turned my security lock off (I had set it to a finger print lock). After I was done rooting, I immediately locked the bootloader again(<--A mistake that caused my bootloop/ soft-brick). After I was finished messing with the above apps (Greenify, etc), I wanted my phone to restart. So I held the Power button and selected restart, while I was on the lock screen (may not be important). I noticed that it took a long time to restart, and upon closer examination, I noticed another error under the "kernel is not seandroid enforcing" (which appears to be natural for rooted phones). The error was "Custom Binary blocked by FRP Lock". It was a new error. I investigated this new problem using the internet , and this dude was panicking like hell, but he didn't appear to fix his problem. He did hint that returning to the bootloader to its locked state was a mistake. Looked a bit more and this guy pointed to another thread, which introduced me to flashing and more importantly his fix, which was to flash the stock 5.1.1 image through odin. He used this link, which contains all the stock firmware for the majority of the new Samsung S6 and S6 edge versions. To make a long story short, most of these fixes involved flashing your firmware to the stock version. So I went to the Odin Website, and downloaded every version, as a couple threads have said that different versions worked for them. Here is a thread with everything you need for Odin. Now, after sorting through and finding micro USB cables that are detectable by Odin, an important step because Odin might develop a pattern of detecting then failing to detect your device through that cable, and testing all the usb 2.0 ports, I was ready, and had Odin with my stock firmware. Odin kept saying "NAND Write", then in the next line "FAIL". This was annoying as Odin wouldn't detect my device again unless I unplugged it, restarted it to download mode, then restarted Odin before plugging it back in. I got confused and found links for somehow fixing the .tar files, stock roms, .pit files (DO NOT MESS AROUND WITHOUT KNOWING WHAT THOSE THINGS DO), and other threads/websites that say to boot into recovery mode , factory reset, then wipe your cache. I could only do that once. After me messing around with all of the above file variants and supposed fixes to help with my issue, I couldn't boot into recovery mode, it got stuck on the "Samsung Galaxy S6 Edge" logo. It did not fix the NAND write failing. There however, are a lot of websites allowing you to download stock software for your phones, and I don't think I can link them as it might break a rule. Surprisingly, some have claimed that using a stock file for another device worked to fix their problem. This thread, which convinced me to use Smart Switch when it failed for everyone else, was very useful, although I recommend downloading Smart Switch from the official website of Samsung. None of the Odin flashing had worked so far, including the Roms and .pit files so I tried Smart Switch. I opened it, and upon selecting the "more" tab on the upper right corner, a bunch of tabs drop down. One should be "Emergency Software recovery and initialization". I had to find my S / N (Serial) number, and I was very confused on how to obtain that number as I was locked out. But to obtain it, do the same process to boot into download (hold volume down, home key, and power key), but stay on the prompt and don't go to the screen that has the word download in the middle. Don't do anything other then reaching the prompt confirming if you want to install a custom ROM. Then, press the home key and it should show your S / N number along with your IMEI number. Once I imputed the code I saw on my phone into Smart Switch, it told me to connect the device. Now, by this time, I realized that Odin only detects my device if it is actually in the download screen. Why shouldn't my computer? I booted into Download on my phone and followed the steps on my computer, making sure that the computer can recognize my phone while it is using a valid USB port and Cable. And after some waiting, for me, my problem was fixed and I could use my phone again, it reverted to it's out-of-box state. I hope this drawn out but very specific explanation helps you guys. It's my first post And also, this thread confirms that you can use a USB hub for flashing(at least for ROMS), Smart Switch, and for rooting.​
Thank you for this detailed account, however nothing of the above has worked for me. Odin won't flash the firmware of 5.0.2 (and I tried 5.1.1) and Smart switch does not recognize the device to do anything. BTW phone has been rooted for months and last night decided to turn on its FRP lock randomly and now I'm stuck. Any help would be greatly appreciated.
Explain throughly what you have tried. Especially different ports, cables, and computers. Did you have the right device drivers? Did you do anything else?
I followed your footsteps and and the step where it has to show me the S/No and IMEI, it only shows IMEI number. I am unable to find the S/NO any suggestions?
Xalmey said:
I followed your footsteps and and the step where it has to show me the S/No and IMEI, it only shows IMEI number. I am unable to find the S/NO any suggestions?
Click to expand...
Click to collapse
press vol down home keys and power key once you get to the first blue screen release vol and power keep holdind home but I already tried smart swich didn't help
5.1.1 has FRP lock auto turned on whenever you have a google account on the device... This is probably going to cause a lot of problems with all newer devices that get rooted. I even tried removing all google accounts, flashed recovery and flashed boot img back to stock after rooting and still FRP was bricking the device. I got supersu onto the device, all working fine for a 3rd time, as soon as I added a google account onto my device and restarted, it was FRP lock blocked and soft bricked again.... I used kies to restore to factory again, re-rooted it for the 4th time when I finally discovered an option in developer options called OEM unlock, Turning OEM unlock on turns off the FRP lock security feature.
My conclusion, If your going to root 5.1.1 make sure you remove all accounts from the device first, do not change google passwords for 72 hours prior to rooting, once rooted, YOU MUST TURN OEM Unlock ON in settings>developer options before adding any google accounts to the device.
Hi everyone!
I also got a Samsung S6 Edge + from a friend with custom binary blocked by FRP. I don't know what he was planning to do but I guess it was rooting.
He said he want me to backup any files before I try anything. Don't know how to proceed. But as suggestion, I want to ask if using "fastboot oem unlock" command would fix that.
EsperaKing said:
Hi everyone!
I also got a Samsung S6 Edge + from a friend with custom binary blocked by FRP. I don't know what he was planning to do but I guess it was rooting.
He said he want me to backup any files before I try anything. Don't know how to proceed. But as suggestion, I want to ask if using "fastboot oem unlock" command would fix that.
Click to expand...
Click to collapse
I'm pretty sure fastboot isn't for Samsung devices. Hard to back up any files u less you can get into TWRP or the phone. If you flash stock firmware is highly likely the files will be wiped
callumbr1 said:
I'm pretty sure fastboot isn't for Samsung devices. Hard to back up any files u less you can get into TWRP or the phone. If you flash stock firmware is highly likely the files will be wiped
Click to expand...
Click to collapse
There is no TWRP recovery on the phone. Yeah you're right about backing up files. I don't even know how to proceed and I can tell you I have huge experience on that stuff, rooting flashing custom recoveries and roms, etc... but in this case, I can't say if files can be backed up.
EsperaKing said:
There is no TWRP recovery on the phone. Yeah you're right about backing up files. I don't even know how to proceed and I can tell you I have huge experience on that stuff, rooting flashing custom recoveries and roms, etc... but in this case, I can't say if files can be backed up.
Click to expand...
Click to collapse
The only way is to 're flash the exact same firmware he is currently using now using the 5 files firmware package. But yo ensure csc_home is used so the data will not be wiped.
callumbr1 said:
The only way is to 're flash the exact same firmware he is currently using now using the 5 files firmware package. But yo ensure csc_home is used so the data will not be wiped.
Click to expand...
Click to collapse
Thank you for you reply.
Please can you tell me where I can find such software or how to do it clearly! I know how to use Odin but I don't know how to exclude user_data to be wiped. Thank you
Bonafid3 said:
5.1.1 has FRP lock auto turned on whenever you have a google account on the device... This is probably going to cause a lot of problems with all newer devices that get rooted. I even tried removing all google accounts, flashed recovery and flashed boot img back to stock after rooting and still FRP was bricking the device. I got supersu onto the device, all working fine for a 3rd time, as soon as I added a google account onto my device and restarted, it was FRP lock blocked and soft bricked again.... I used kies to restore to factory again, re-rooted it for the 4th time when I finally discovered an option in developer options called OEM unlock, Turning OEM unlock on turns off the FRP lock security feature.
My conclusion, If your going to root 5.1.1 make sure you remove all accounts from the device first, do not change google passwords for 72 hours prior to rooting, once rooted, YOU MUST TURN OEM Unlock ON in settings>developer options before adding any google accounts to the device.
Click to expand...
Click to collapse
Thank you thank you thank you!!! This is exactly what I was looking for I had just rooted my note 4 running 6.0.1 and had no idea what the oem option was as no rooting method talked about it at all so naturally as soon as i added my Google account phone restarted and locked up.
Kies was the answer I needed as frp lock was active in download mode and my factory reset in recovery failed everytime but running Kies firmware upgrade and entering my model and serial number it installed perfectly in download mode with frp lock still active saved me alot of hassle ?

[Q] [SM-G903M] CF-Auto-Root and Odin put my phone in bootloop

My phone is/was a Samsung S5 Neo (SM-G903M) running Android 5.1.1.
I was trying to root the phone to use Titanium Backup, I got a CF-Auto-Root file and used Odin to load the md5 file. I need this root to backup my phone, so I don't have any backup.
The first time, I followed all the instructions and when it reboot I got a red pirate, bootloader locked and the log:
/sbin/unzip: permission denied
/sbin/chcon: permission denied
Then, I tried another CF-Auto-Root file and now my phone is restarting and can't load (bootloop).
1) Is there a way to extract the cache.img and recovery.img file from a stock rom and use Odin to load them?
2) Is there another way to fix this phone with root or not?
3) My wife was the same phone,is it possible to get some file from her phone and fix mine?
It's probably better to flash whole rom if you got warning for bootloader locked but yeah, you can extract from firmware. Open tar.md5 as archive and extract what you want. Make a new tar with the extracted files and flash with odin.
[Solution]
1) Download a stock rom from: https://www.sammobile.com/firmwares/database/SM-G903M/
2) Untar cache.img and recovery.img
3) Download tar-Tool_Odin3-v3.10.7 from: https://forum.xda-developers.com/showthread.php?t=2446269
4) Unzip and copy cache.img and recovery.img to tar-Tool folder
5) Use the batch.bat to create a tar.md5 file from cache.img and recovery.img
6) Download Odin
7) Follow these instructions:
7.1/ Extract it somewhere and launch it in administrator mode.
7.2/ Put your phone in download mode.
To do it, press & maintain 3 buttons (Menu, volume down & power). Then push "Volume up"
7.3/ Quit Kies. Connect your phone to your PC. Odin will detect it in ID :COM
7.4/ Select "AP" and select the file created by tar-Tool in folder "AllFiles"
7.5/ Verify that only "Auto reboot" & "F-reset" is ticked. Click on Start.
7.6/ Wait till the phone reboots.
Grillox said:
My phone is/was a Samsung S5 Neo (SM-G903M) running Android 5.1.1.
I was trying to root the phone to use Titanium Backup, I got a CF-Auto-Root file and used Odin to load the md5 file. I need this root to backup my phone, so I don't have any backup.
The first time, I followed all the instructions and when it reboot I got a red pirate, bootloader locked and the log:
/sbin/unzip: permission denied
/sbin/chcon: permission denied
Then, I tried another CF-Auto-Root file and now my phone is restarting and can't load (bootloop).
1) Is there a way to extract the cache.img and recovery.img file from a stock rom and use Odin to load them?
2) Is there another way to fix this phone with root or not?
3) My wife was the same phone,is it possible to get some file from her phone and fix mine?
Click to expand...
Click to collapse
In my opinion u need to flash the stock firmware ur mobile was running before the root with odin....u can download from site samsung firmware.You will have to find the exact firmware u were running and your country.thats only way from my opinion.Then try again with autoroot and please download the cf autoroot file only made for lollipop version.I hope u have flashed the correct cf autooot file.
i am very suspicious of my fiance of two years now that she's cheating on me, she has changed passwords to every account that she has, plus put a pin lock on her phone, i have been searching for ways to retrieve her text messages without installing any software on her phone or having access to it, so far i am not having any luck. we have a 19 year history together, plus a beautiful 18 year old daughter & this is eating me up inside. But i finally burst on this page from Google and found the God eye who changed my whole story for good! He help me hack her FB, her emails and her phone number and i got to see all his messages and apps from her phone. only for me to found out she's cheating and have a son out there without my consent but i thank the God eye for letting me know all this and am moving on fine with my life and my daughter. He's also involved in any sort of hacking issues. Hurray!! Get to him on (Godeyeviewhacker AT hotmail DOT com)
thalidomide1111 said:
In my opinion u need to flash the stock firmware ur mobile was running before the root with odin....u can download from site samsung firmware.You will have to find the exact firmware u were running and your country.thats only way from my opinion.Then try again with autoroot and please download the cf autoroot file only made for lollipop version.I hope u have flashed the correct cf autooot file.
Click to expand...
Click to collapse
The solution I wrote solved my problem. And guess what? My phone is rooted.
Gentlemen, I tried flashing cf-auto-root for M variant (firmware is at UBU1BPK1), but after ODIN Pass! it reboots and just show the message "Recovery is not seandroid enforced".
After that, it reboots again to normal firmware, not rooted.
I even tried un-checking the "auto reboot" option in ODIN, and doing a manual reboot to recovery mode (as it was supposed to force the cf-root to install).
But it just repeats the same behaviour. I kept holding vol_up+button+power and it kept rebooting trying to enter recovery but just showing the message "recovery is not seandroid enforced".
At the time I released the buttons, it rebooted to normal firmware, not rooted.
Tried different Odin versions (3.10.6, 3.12...), nothing did the trick.
Any tips? May I have to try the F variant? (my phone is dual sim, don't know if it'd disable second sim slot)
I've also enabled "USB debug" and "unlocked OEM" under developer settings.
Couldn't find "reactivation lock" option under account settings / security settings.
ciberglo said:
Gentlemen, I tried flashing cf-auto-root for M variant (firmware is at UBU1BPK1), but after ODIN Pass! it reboots and just show the message "Recovery is not seandroid enforced".
After that, it reboots again to normal firmware, not rooted.
I even tried un-checking the "auto reboot" option in ODIN, and doing a manual reboot to recovery mode (as it was supposed to force the cf-root to install).
But it just repeats the same behaviour. I kept holding vol_up+button+power and it kept rebooting trying to enter recovery but just showing the message "recovery is not seandroid enforced".
At the time I released the buttons, it rebooted to normal firmware, not rooted.
Tried different Odin versions (3.10.6, 3.12...), nothing did the trick.
Any tips? May I have to try the F variant? (my phone is dual sim, don't know if it'd disable second sim slot)
I've also enabled "USB debug" and "unlocked OEM" under developer settings.
Couldn't find "reactivation lock" option under account settings / security settings.
Click to expand...
Click to collapse
Just to add that I finally got it working.
Flashed a different country variant (BVO - Bolivia), that has BQA1 firmware and also have the same Modem/CP Version as my ZTO (Brazil) in BPF1. I was afraid of choosing a different variant from Brazil with different modem version, and being not able to use my local area signal provider.
It worked like a charm. I wiped data/factory reset. Then I flashed the BQA1 firmware using ODIN 3.12.3 (last version). Logged in google account (didn't logged on samsung account, neither choosed a lock screen).
Then, flashed cf-auto-root from autoroot.chainfire.eu for g903m BQA1 and it worked like a charm!
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S7 Emergancy Rocovery/FRP Lock

Afternoon; hoping someone can help as I am at a lose end.
I've been give an S7 (SM-G930F) which is displaying CUSTOM BINARY BLOCKED BY FRP LOCK which means I can't start the phone; I'm assuming the previous owner installed a custom ROM and then did a factory reset which activated this???
I have tried to flash the latest original firmware a few times, downloaded from Sammobile and Frija but still no avail! Odin starts but the fails on param.bin. Unfortunately, I also can't work out the original CSC code, I've tried all the UK ones but again no avail. Also tried just putting the AP in and BL, AP, CP and CSC but again nothing.
So I thought that I'd try to install TWRP and then boot and load in a new OS but Odin will not do this.
Also get a screen saying use Samsung SmartSwitch to do an Emergancy Recovery but when I connect the phone, more, energancy recover there is no phone listed as I've never connected it to a computer.
Anyone help at all? I'm at a lose end.
LynxMahogany said:
Afternoon; hoping someone can help as I am at a lose end.
I've been give an S7 (SM-G930F) which is displaying CUSTOM BINARY BLOCKED BY FRP LOCK which means I can't start the phone; I'm assuming the previous owner installed a custom ROM and then did a factory reset which activated this???
I have tried to flash the latest original firmware a few times, downloaded from Sammobile and Frija but still no avail! Odin starts but the fails on param.bin. Unfortunately, I also can't work out the original CSC code, I've tried all the UK ones but again no avail. Also tried just putting the AP in and BL, AP, CP and CSC but again nothing.
So I thought that I'd try to install TWRP and then boot and load in a new OS but Odin will not do this.
Also get a screen saying use Samsung SmartSwitch to do an Emergancy Recovery but when I connect the phone, more, energancy recover there is no phone listed as I've never connected it to a computer.
Anyone help at all? I'm at a lose end.
Click to expand...
Click to collapse
Sorry to say ... Best to return the phone and get a new one without activated FRP.

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