The BlackBerry Key2 is not a Google Pixel or a OnePlus device. It does not have an official, sanctioned "OEM Unlock" method provided by BlackBerry/TCL. To install custom recoveries or ROMs, you typically have to use exploits or "hacky" methods to unlock the bootloader.
: Developers have successfully ported LineageOS 22.2 , which is based on Android 15 . blackberry key2 lineageos
