Redmi 12 fire solve fail to unlock bootloader

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The purpose of the topics of this site and blog is to fix the IMEI number under the battery that got lost due to wrong flashing and other software problems caused by human errors

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1- Open the DFT PRO interface and go to the Fastboot section, then the Services tab

2- put the phone into fastboot mode, connect it to the computer, then click on Scan Adb in order for the phone to be identified, then click on the Set Active Slot A command

 3- do the process of unlocking the bootloader using DFT PRO (choose the model or leave it on auto, there is no problem). choose the Unlock Bootloader (NEW) command

the phone will not boot. It will restart on the Redmi logo with white writing on the screen without completing the boot. In this case, the phone must be flashed (it is preferable to use the same ROM on the phone or a higher version). Here, since the bootloader is open, you have two options if you are interested in the existing user data. On the phone, flash it using the Mi Flash Tool Pro program and select the Save User data option. If the existing data does not interest you, select the clean all option. After completing the flashing process, the phone will work without problems with an unlocked bootloader.

Done.

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