Unlocking Bootloader - Sony Xperia X Questions & Answers

Hello, yesterday I got my xperia x to get on Sailfish OS, but it turns out Bootloader unlocking is not allowed on this device. Is there anything I can do, flashing a certain firmware, or anything to get the bootloader to unlock? I am of course getting the "command not allowed" fastboot error, and I've enabled OEM unlocking in dev settings.

Check your fastboot/flashmode drivers.

I did, they seem fine. I followed the instructions that jolla provided. I even tried a different USB port. I'd really like to avoid returning it if it's possible.

Are you sure that bootloader unlocking is not allowed? If that's the case, then you can't do anything but return it. Try not to buy carrier specific devices for bootloader unlocking.

I have Sony Xperia X (F5121) bootloader current unlocked and I followed this Article.
https://www.getdroidtips.com/unlock-bootloader-sony-xperia-x-f5121f5122/

Why not go straight to the source, the Sony unlock bootloader page? Fill in the required info and if they send you the unlock code your good to go and follow the directions on the page, if they don't then you know it can't be in theory...

Related

Official SE Bootloader-Unlock to Xperias

Hi all,
surely most of us know that SE's newer Xperias have official unlocking instructions. I just went to the website anyway and poked around;
http://unlockbootloader.sonyericsson.com/instructions
I've an X10 Mini by the way. I followed the instructions, SE asked for my IMEI in return for a code to unlock my device, and I fully expected to get rejected at this point and nope, I got a code unique to my device. I can go ahead and TRY to unlock, and I'm not sure what could go wrong now...but the site is, naturally FULL of warnings against noobs who may destroy their device. Anyone know what are the chances of a brick if I do as they say in the instructions? It's really simple-download the Andorid SDK, enter a command, enter a code unique to my device and boom...boom to unlock, or as I'm afraid -boom to brick it...These instructions may OFFICIALLY be for particular newer SE devices, but they did after all give a code unique to my phone which may make it work, no? UNLESS, they changed something in the bootloader of the newer Xperias, hence mine might not work.
Any ideas?
This thread shows up every week, you can give them a nokia imei and they'll still give you a code, won't do anything tho.
So if entering an IMEI-based code doesn't change anything, does that mean it's a bootloader issue? Meaning that the older and newer Xperias do have some differences between the bootloaders which defines what's possible? Or something else?
This may of course come to nothing. It was this paragraph in particular that got me wondering. Also, will the code just not work, or could it brick the device?
"The only way to determine if you can unlock the boot loader for your phone is to connect your phone to the Fastboot tool in the Androidâ„¢ SDK. If your phone can connect to Fastboot, the boot loader can be unlocked."
http://unlockbootloader.sonyericsson.com/which-phones
phoneyericsson said:
So if entering an IMEI-based code doesn't change anything, does that mean it's a bootloader issue? Meaning that the older and newer Xperias do have some differences between the bootloaders which defines what's possible? Or something else?
This may of course come to nothing. It was this paragraph in particular that got me wondering. Also, will the code just not work, or could it brick the device?
"The only way to determine if you can unlock the boot loader for your phone is to connect your phone to the Fastboot tool in the Androidâ„¢ SDK. If your phone can connect to Fastboot, the boot loader can be unlocked."
http://unlockbootloader.sonyericsson.com/which-phones
Click to expand...
Click to collapse
We cannot enter Fastboot mode on the mini/minipro. So we cannot unlock the bootloader with their "official" method.
Thanks mate, that clears that up!
he guys what is the unoffical way to unlock my phone
Unlocking is a different thing altogether...
when I got my X10 Mini it was so new that most places didn't know what to do with it. I did find a shop I know and trust and got it unlocked there. I have no idea how it is with doing it yourself. The older SEs yeah, Xperias, I've no experience.

Do you wanna know IF you can UNLOCK your X10's BOOTLOADER?

Do you wanna know if you can unlock your bootloader? Then this is the thread for you.
Use this tool here: Bootloader Certificate Check
Here's how you will know if you can use the boot loader unlock tool. Follow all instructions on screen of the tool when you run it.
If you get at the end, "SEMC SIMLOCK CERTIFICATE"
Then yes can, you can use the SEMC_qd8250 unlock batch file to unlock tool yours.
If you unlocked with SETOOL, then yes, you can too, I'm not sure what message that gives as yet, but I will proceed to find out.
But if you get, "SIMLOCK CERTIFICATE NOT RECOGNIZED"
then NO, you CANNOT, I repeat, you CANNOT unlock your bootloader, not as yet at least, when you can I will update this thread. IF you attempt unlocking it with this message, then you WILL lose your radio signal, and will only be able to restore this if you unlock via SETOOL, which I am unsure how to go about doing doing, since nothing has been said about this.
Can the mods help by stickying this thread please so all persons with this question can see? Thank you.
I'll try it, thanks!
thanks for this info i get this now i can unlock my bootloader SEMC SIMLOCK CERTIFICATE

Sony Xperia Z1 Compact - Locked Bootloader ???

Hi XDA
I recently acquired a Sony Xperia Z1 Compact, but it seems that the bootloader cannot be unlocked (even after grabbing the code from Sony)
it says that the command isn't allowed, then I saw a post on a forum saying that not every bootloader can be unlocked.
I was wondering, since I have a unlockable* bootloader (which I assume there are ways to unlock it, because lets face it.. is there anything out there thats "locked" and hasn't been cracked into?
Anywho.
I have been to EVERY single "Phone repair / unlock" shop in my town, and none of them know what a bootloader is. So I decided to see if anyone here has managed to unlock their locked* bootloader.
If anyone can shed any light on this, it would be great.
Thank you.
jdcrispe95 said:
Hi XDA
I recently acquired a Sony Xperia Z1 Compact, but it seems that the bootloader cannot be unlocked (even after grabbing the code from Sony)
it says that the command isn't allowed, then I saw a post on a forum saying that not every bootloader can be unlocked.
I was wondering, since I have a unlockable* bootloader (which I assume there are ways to unlock it, because lets face it.. is there anything out there thats "locked" and hasn't been cracked into?
Anywho.
I have been to EVERY single "Phone repair / unlock" shop in my town, and none of them know what a bootloader is. So I decided to see if anyone here has managed to unlock their locked* bootloader.
If anyone can shed any light on this, it would be great.
c
Thank you.
Click to expand...
Click to collapse
Start here.
Planterz said:
Start here.
Click to expand...
Click to collapse
It keeps saying I need to unlock the bootloader but it says when I try
"FAILED (remote: Command not allowed)"
This is what I mean.. I can't unlock my bootloader.
Unless I'm missing something?
Anyone?
Have you tried with SONY?
Perhaps the easier solution is to start from SONY itself....
http://developer.sonymobile.com/unlockbootloader/unlock-yourboot-loader/
...
WiZaxx said:
Perhaps the easier solution is to start from SONY itself....
http://developer.sonymobile.com/unlockbootloader/unlock-yourboot-loader/
...
Click to expand...
Click to collapse
Guys.. it says "Bootloader unlock allowed: No"
Which means I can't use an official way to unlock the bootloader, what I need to know is if theres a different way I can unlock the bootloader. By flashing firmware, a different bootloader or any special utility to unlock the bootloader. Thanks
bump
Anyone able to shed light on this? I really don't wanna have to sell the phone due to the bootloader being locked..
Especially not after scoring 43,000 in Antutu
are there such thing as a custom FTF file I could flash with a locked bootloader?

In a weird position. How do I root my phone?

So I got this Sony Xperia X model F5121 from one of my relatives, and I ran into quite a few issues when I tried rooting it. it says Bootloader Unlock Allowed: NO, which would mean that i couldn't get into fastboot mode and unlock my bootloader but here's the very specific and weird part: I can get into fastboot mode, at least I believe so. My phone was carrier locked to Vodafone but I payed a professional to unlock that and now I can use every SIM I want. I looked online and the first XDA page said that unlocking the SIM meant that fastboot mode is unlocked as well. So I tried, I plugged my phone in while holding the volume key, a blue light popped up and it meant I was currently using fastboot mode, but when i try doing anything it says "waiting for devices" and doesnt end up working at all. Am I missing some drivers? Is it just impossible? Could one of you be kind enough to provide the needed files and some instructions for this procedure? i'm asking for a lot, I know but if there's anyone kind enough. I'm running the absolute latest version of Android 8 Sony provides.
EDIT: YEs, used adb shell, I have the ADB drivers, I tried the szuzu install or what the TWRP codename for it is, but everything just stops at "waiting for devices" and I can't do anything.
Since you are not allowed to unlock the bootloader - Bootloader unlock allowed - No, there is no way to unlock it and root it. Sorry.
even if you want to try again, make sure to force install googles drivers
instead of sonys

Unlockable Bootloader - options?

After rooting my Z2 and backing up the TA partition, I've discovered that the bootloader is not unlockable (it's a Vodafone branded device).
Is there a nefarious way in which to bypass this? I understand that the whole point is to keep it locked, but it's an old enough device so I may have missed where it's possible.
Otherwise what are my options for an up-to-date custom rom? As indicated, I've already achieved root and have TWRP installed. I tried flashing Lineage via recovery but got an E: unknown command [log] error.
I'm in the same boat unfortunately. I bought a used phone that had Vodafone UK. It was marked as SIM-unlocked, and that seems to be true; the service info doesn't show any filled checkmarks nor counters in SIM lock information. However, bootloader seems to be locked forever - flashtool reports "Bootloader status : NOT_ROOTABLE" and phone's service menus also say that rooting status is "bootloader unlock allowed: no".
I wasn't even aware there are Sony phones that are not SIM-locked but are still boot-locked without any way to unlock.
I would really want to upgrade from Android 6 to at least 7 because there are some specific apps that work only from A7. Wondering if there is any custom ROM that would run on stock A6 kernel but with everything else from A7? It should be possible to install such a ROM even on a bootlocked device, right?
Since posting I've discovered some answers. The bad news is that, no, custom ROMs are limited without an unlocked bootloader.
The potentially good news is that you can pay for an aftermarket SIM unlock, which has the side effect of also allowing the bootloader to be unlocked.
I've not tried it myself, but do a search for "Sony cable unlock credits" for some leads.
Yea I also am stumbling upon this same news, in my city there are some shady areas so I will ask around and see if anyone is capable of doing it and will let you know.
So far my phone has bootloader locked, sim locked with 3 attempts left so I will work on unlocking those and then rooting the phone and digging deep after
Lets cross our fingers that somethings comes up
So far online , I find only old videos and outdated information, websites down and nothing else.
One thing is for sure, if your bootloader can be unlocked, you just go to sony official website and follow their instructions and its free and easy,
But if it says ""bootloader unlock allowed: no" then...lets see what can we do.
Hey I am willing to pay, why not if its going to unlock the bootloader 100%

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