Failed -remote 39-flashing Lock Flag Is Locked. Please Unlock It First 39-- Now

: If you are trying to flash low-level files like the bootloader itself, you may also need to run: fastboot flashing unlock_critical Important Troubleshooting

To resolve this, you must explicitly unlock the bootloader, which typically involves the following steps: : If you are trying to flash low-level

The "Failed -Remote 39:Flashing Lock Flag is Locked. Please Unlock it First" error typically arises due to security features implemented in the device's firmware. Manufacturers often include mechanisms to prevent unauthorized or accidental flashing of firmware, which could potentially brick the device or cause it to malfunction. The flashing lock flag is one such mechanism that locks the device, preventing any flash operations until it is explicitly unlocked. you must explicitly unlock the bootloader

Lock and unlock the bootloader | Android Open Source Project : If you are trying to flash low-level