Flashing Lock Flag Is Locked Please Unlock It First Full !free! May 2026

The error message "FAILED (remote: 'Flashing Lock Flag is locked. Please unlock it first!')" indicates that your device's bootloader is currently locked

Android devices come with a security feature called the . The bootloader tells the phone what operating system to start. For security reasons, manufacturers ship phones with the bootloader in a "Locked" state. flashing lock flag is locked please unlock it first full

Connect your device to a PC and use the command adb reboot bootloader or use a hardware key combination (usually Power + Volume Down) while the device is off. Run the Unlock Command: In your PC's terminal, type: fastboot flashing unlock (for newer devices). fastboot oem unlock (for older devices). The error message "FAILED (remote: 'Flashing Lock Flag