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

Lock and unlock the bootloader | Android Open Source Project

To tie everything together, here is a consolidated, step-by-step walkthrough for a standard bootloader unlock. Lock and unlock the bootloader | Android Open

Unlocking will perform a factory data reset and wipe all personal data from the device. Enable OEM Unlocking On your device, go to Settings > About phone Build number 7 times to enable Developer Options Navigate to Settings > System > Developer options and toggle on OEM unlocking USB debugging Reboot to Bootloader Connect your phone to a computer and run adb reboot bootloader In this scenario, you must bypass the bootloader entirely

If your device is hard-bricked (won't boot to Android) and giving you this error, standard Fastboot commands won't work because you cannot turn on "OEM Unlocking" in settings. In this scenario, you must bypass the bootloader entirely. You can use community-developed exploits like the MTK Bypass Utility (Bypass SLA/DA) alongside SP Flash Tool to force flash the device via MediaTek's low-level BROM mode. Verifying the Fix Try these in order: fastboot flashing unlock For

Depending on your device manufacturer (Google, OnePlus, Xiaomi, etc.), the command may vary slightly. Try these in order: fastboot flashing unlock For older devices: fastboot oem unlock