Develop Bugs

[Q] Can I re-lock the bootloader?

Hi all,
I just purchased a GSM Galaxy Nexus, and the seller didn't inform me that he had unlocked the bootloader. I am wondering if I can lock it, and return it to its stock settings.
Any input would be much appreciated.
Thanks,
Dave

fastboot oem lock

Just like he said, but if you want to keep your sdcard files, back it up first cause it will erase it.

Any specific reason why you want to re-lock your bootloader?
Just because it has an unlocked bootloader doesn't mean the software/firmware/recovery isn't stock necessarily. You can unlock and not change anything else about the phone.
If you EVER plan on rooting or flashing ROMs, just leave it unlocked.

I thought unlocking the Bootloader wiped the phone, not locking it....Anyways I too was given an unlocked bootloader when my phone was sent for repair. I would personally keep it that way as it has helped me try on a few things, namely testing different basebands without losing data & setup of the phone...
Leave it like that I'd say!

I would suggest locking it if you plan on doing anything remotely sensitive on your device, Google Wallet, corporate email, naked pics of your spouse, etc.
Sent from my Galaxy Nexus using XDA App

housry23 said:
Just like he said, but if you want to keep your sdcard files, back it up first cause it will erase it.
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s1977 said:
I thought unlocking the Bootloader wiped the phone, not locking it....Anyways I too was given an unlocked bootloader when my phone was sent for repair. I would personally keep it that way as it has helped me try on a few things, namely testing different basebands without losing data & setup of the phone...
Leave it like that I'd say!
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Click to collapse
s1977 is correct. Locking the bootloader does NOT wipe anything. Unlocking wipes.

GNEX unlock + unfreeze

Hi guys,
I recently purchased an unlocked Galaxy Nexus in Hong Kong. For some reason I did a factory reset on the phone and the unlock was gone (the SIM card that was working before the reset now requires a network unlock code). And like a noob, I tried all sorts of random combinations. And then I read about how you only have 3 chances to enter the unlock code before your device is frozen and you'll need an "unfreeze code". Immediately I knew i was in deep "sh_t". Now I finally found a site that provides me with an unlock code without having me to specify the carrier to which the phone is locked to, which I don't know (but the prints and documentations on the package were all in french). The unlock code hasn't arrived yet but I read about how I only had 3 chance, and I'm damn sure I tried more than 3 times. I checked again and all the sites that can provide me with an "unfreeze code" requires me to know the carrier to which my device is locked to, which i have absolutely no idea. My question is can a factory reset, or any sort of reset, unfreeze the phone so I can use the unlock code that i've purchased?
Any assistance would be greatly appreciated.
Thanks.

Try booting into recovery. From there you can probably fix a bunch of stuff.
Perhaps there is hope.

MikeMurphy said:
Try booting into recovery. From there you can probably fix a bunch of stuff.
Perhaps there is hope.
Click to expand...
Click to collapse
What exactly should i do in recovery? From what i can see now recovery is just an icon in the middle of the screen. i feel so lost.

Maybe you can restore a factory image (google rom) using Galaxy Nexus Toolkit, that you can find in this forum.
What i´ll sugest... is using the Galaxy Nexus Toolkit, root and flash CWM (recovery) in your phone, then... flash any ICS Rom and one the phone is booted in the rom, even without the simcard... install the ****Docomo App and do a sim unlock in the phone.
i´m just talking in theory... but i could work.
good luck!

Can I view unlock code after it's unlocked?

Is there a way or app that I can use on this phone so that I can view my SIM Unlock Code AFTER the phone is already SIM Unlocked?
I ask because I bought two of these phones unlocked and would like to have the Unlock codes saved just in case I need them later.
Somehow I seem to have messed up or lost my unlock on one of the phones after I rooted it and flashed a new recovery / rom.
It was unlocked, now, If I put an ATT sim in it asks for my unlock code again and I do not have it, as the phone was unlocked when I got it.
Though, when I press *#7465625# to it says all the locks are turned off, like my phone should be unlocked?
Any idea why it is asking for my unlock code again, and if there is a way to get around it being that the phone was unlocked?
Is there a way to recover this unlock code?
Thanks guys!

wmblalock said:
Is there a way or app that I can use on this phone so that I can view my SIM Unlock Code AFTER the phone is already SIM Unlocked?
I ask because I bought two of these phones unlocked and would like to have the Unlock codes saved just in case I need them later.
Somehow I seem to have messed up or lost my unlock on one of the phones after I rooted it and flashed a new recovery / rom.
It was unlocked, now, If I put an ATT sim in it asks for my unlock code again and I do not have it, as the phone was unlocked when I got it.
Though, when I press *#7465625# to it says all the locks are turned off, like my phone should be unlocked?
Any idea why it is asking for my unlock code again, and if there is a way to get around it being that the phone was unlocked?
Is there a way to recover this unlock code?
Thanks guys!
Click to expand...
Click to collapse
Currently there isn't a way to view the code. Several of us have been digging through the system of the device to see where it's coded too. the thread here is where it's being conversed about. click here

How do you know for certain the phones were unlocked when you bought it? Did you try swapping Sims before you flashed anything to it?
I have mine unlocked and have flashed; two roms, cwm, a radio, and a few mods......still unlocked. I constantly swap Sims between my crap work phone and my Samsung, always works.

Bluntified said:
How do you know for certain the phones were unlocked when you bought it? Did you try swapping Sims before you flashed anything to it?
I have mine unlocked and have flashed; two roms, cwm, a radio, and a few mods......still unlocked. I constantly swap Sims between my crap work phone and my Samsung, always works.
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Click to collapse
The person I bought both phones from told me they were both unlocked.
The first one I tried worked, the second one I never tried an ATT Sim until after I rooted, flashed, etc and then it wouldn't work.
He emailed just emailed me the Unlock codes for both phones and they work fine.
Either way, it's all good now. Thanks for the help guys!
- Mike

does resetting phone change the unlock code?

i am trying to lock the bootloader again with my unlock code and it keeps saying the code is wrong, and it worked fine for unlocking.
my question is does the code change after a reset? i completely reset the phone to stock with stock loader,ercovery/recovery just cant seen to be able to relock the device.

darkmage1991 said:
i am trying to lock the bootloader again with my unlock code and it keeps saying the code is wrong, and it worked fine for unlocking.
my question is does the code change after a reset? i completely reset the phone to stock with stock loader,ercovery/recovery just cant seen to be able to relock the device.
Click to expand...
Click to collapse
I don't think it is supposed to have changed. At least it hasn't before.
fastboot oem relock *code_here*
what do you mean "stock loader"?
but if code is not working , it seems safe to say if you do lock it, and it will not work to unlock again......, if needed.

EDIT: god im stupid... this was the code they sent me: https://i.imgur.com/Zz2VgQz.png
so i was putting in 64ZR9670112GJ3F8 the code is supposed to be 64ZR96701I2GJ3F8
so lesson learned. make sure you really look at the code one's can look like i's in a pic.

Bootloader Unlock SM-G960U

I'm going to keep this short and sweet. I have a Sprint S9 SM-G960U and its activation locked and been factory reset. My friend gave me his old phone after he upgraded because he forgot the lock code and does not remember what google account was used to unlock the device after it was reset from the factory reset boot menu.
Is it possible to unlock the bootloader...if thats even needed, root the device, and flash a custom rom to get around this?

xVoidx said:
I'm going to keep this short and sweet. I have a Sprint S9 SM-G960U and its activation locked and been factory reset. My friend gave me his old phone after he upgraded because he forgot the lock code and does not remember what google account was used to unlock the device after it was reset from the factory reset boot menu.
Is it possible to unlock the bootloader...if thats even needed, root the device, and flash a custom rom to get around this?
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Click to collapse
AFAIK there is no reliable rooting / bootloader unlocking method available

Same question for a european SM-G960U (Snapdragon), where no "OEM unlock" option is available in Developers options.
I've just factory reset it, and am currently waiting for the tedious 7-day uptime period to pass, but am I keeping my hopes too up ??

Please share your results and whether or not it was successful. Thanks!

Well, no luck : no unlock option appeared, and the owner decided to get their device back, so I sadly don't have any result to contribue.

breversa said:
Well, no luck : no unlock option appeared, and the owner decided to get their device back, so I sadly don't have any result to contribue.
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Bummer!!!