Please Unlock It First 39-- |top|: Failed -remote 39-flashing Lock Flag Is Locked.

This error occurs when you attempt to flash a system image or custom recovery to an Android device while the bootloader is still in a "Locked" state . To proceed, you must transition the device state from

Common Causes:

• The device (e.g., microcontroller, embedded board, or smartphone) has a locked bootloader or flash protection.
• Previous flashing attempt was interrupted, leaving the lock flag set.
• The device is in a secured/protected state from the factory.
• You are using a tool that requires unlocking via a specific command or key.

Open a terminal or command prompt in your Android Platform Tools folder. Run the command: adb reboot bootloader. This error occurs when you attempt to flash

Part 5: How to Unlock the Flashing Lock Flag (Step-by-Step)

The exact command depends on your device manufacturer. Below are the most common methods. The device (e

Also, enable USB Debugging to allow the computer to send commands. 2. Enter Fastboot Mode Open a terminal or command prompt in your