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
: Backing up or restoring critical partitions like NVRAM to prevent losing the IMEI number during flashing. Support for Modern CPUs
If you need to unlock your phone, there are more secure and often free ways to do so:
Many manufacturers and carriers provide official methods for unlocking devices. For example, some carriers offer an unlock code for devices that have been fully paid for or after a certain period. Additionally, there are reputable third-party services that offer device unlocking for a fee.
: Fixes "Invalid IMEI" or "IMEI: 0" issues caused by corrupted software or failed flashes. Format & Backup
Lock and unlock the bootloader | Android Open Source Project 10 Apr 2026 —