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

Tap 7 times until you see "You are now a developer". Go back to System > Developer Options . Find OEM Unlocking and toggle it ON .

If you receive an "unknown command" error, try the legacy command: fastboot oem unlock 4. Confirm on the Device Tap 7 times until you see "You are now a developer"

Modern Android security prevents unauthorized software changes unless the "lock flag" is explicitly flipped by the user. Here is how to fix this and successfully unlock your device. 1. Enable OEM Unlocking If you receive an "unknown command" error, try

The "flashing lock" error only appears when you are in Fastboot (Bootloader) mode. To get back there after enabling the settings above: Tap 7 times until you see "You are now a developer"

After sending the command, your phone screen will likely change to a confirmation page. Use the to highlight "Unlock the Bootloader" and the Power Button to confirm. The device will then wipe itself and reboot. Troubleshooting Common Issues

Connect your phone to your PC and run: adb reboot bootloader