Step by step explanation how to unlock the Bootloader how to unlock the Bootloader on Samsung Galaxy A12 with Android 12

First you need to do is Go to Developer Options and enable OEM unlocking & USB debugging. Then turn the phone in Device Unlock mode, using a USB-c cable and laptop or PC. After the whole process, when it's done you need to setup the device till the home screen. Than, when you go to developer options you will see that OEM unlocking is grayed out, which means that bootloaders is unlocked.

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