Failed -remote 39-flashing Lock Flag Is Locked. Please Unlock It First 39-- Jun 2026

If you’ve followed all steps and still see the error, consult your device’s XDA Developers forum or official documentation. Some devices have unique unlock protocols beyond the scope of this article.

Before you can run a terminal command to unlock the device, you must give the device permission from within the settings menu. If you’ve followed all steps and still see

Dismiss Got it. On this page. Get into the bootloader. Unlock the bootloader. Lock the bootloader. Set lock and unlock properties. Android Open Source Project If you’ve followed all steps and still see

If you are using a specific flashing tool (like SPD Upgrade Tool or a specialized ROM flasher), ensure the device is connected in the correct state and the necessary drivers are installed. If you’ve followed all steps and still see

Use the standard fastboot flashing unlock command.