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How to unlock bootloader 4.1.2 firmware?

12th February 2014, 02:48 AM   |  #11  
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Quote:
Originally Posted by edj809

Thanks, I did the downgrade without any problems and now I'll try to flash a custom rom, even though I still see that the bootloader is still enabled using the 4.1.1

Since you're on 4.1.1, you should unlock your phone using the free method here: http://forum.xda-developers.com/show....php?t=2529200

Then use Odin to go back to 4.1.2, install Philz, wipe, and then flash your ROM. You can only use the free method when you are running stock 4.1.1.

It will always say enabled on stock.
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12th February 2014, 03:03 AM   |  #12  
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You cannot Odin back to 4.1.2, and probably not OTA either. You can only sideload an update.zip through adb or flash a 4.1.2 Rom.

Sent from my SAMSUNG-SGH-I747 using XDA Premium 4 mobile app
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12th February 2014, 03:25 AM   |  #13  
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Quote:
Originally Posted by audit13

Since you're on 4.1.1, you should unlock your phone using the free method here: http://forum.xda-developers.com/show....php?t=2529200

Then use Odin to go back to 4.1.2, install Philz, wipe, and then flash your ROM. You can only use the free method when you are running stock 4.1.1.

It will always say enabled on stock.

-- Thanks

Quote:
Originally Posted by shortydoggg

You cannot Odin back to 4.1.2, and probably not OTA either. You can only sideload an update.zip through adb or flash a 4.1.2 Rom.

Sent from my SAMSUNG-SGH-I747 using XDA Premium 4 mobile app

I upgrade to 4.1.2 from adb with update.zip, thanks.
13th February 2014, 03:34 PM   |  #14  
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Because everytime I flash a rom, everytime I'm doing a call the screen goes black and can't do anything, I flashed 3 roms (AOSP, MIUI and AOSB) y the three of them gave me the same problems. I heard that I needed to update the Bootloader but I want to be 100% sure before doing it
14th February 2014, 02:35 AM   |  #15  
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Quote:
Originally Posted by edj809

Because everytime I flash a rom, everytime I'm doing a call the screen goes black and can't do anything, I flashed 3 roms (AOSP, MIUI and AOSB) y the three of them gave me the same problems. I heard that I needed to update the Bootloader but I want to be 100% sure before doing it

Did you edit the updater script in the custom ROMs to get them to install? If you didn't have to edit the scripts and the ROM installed, your bootloader supports the ROM.

Did this happen when you were on stock a ROM? I have tried Validus and Cyanfox and never has this issue. I was using the 4.1.2 bootloader with each ROM.
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