BlackBerry KEY2 is a popular goal for fans of physical keyboards who want a more modern, de-googled, or updated Android experience. However, because of BlackBerry's locked bootloader, the process is more complex than on typical devices.
An untethered unlock (permitting normal reboots) has been developed but is largely restricted to the core development team and contributors to ensure stability before a public release. Installation Overview
Place the image file in your PC's ADB folder and rename it to recovery.img .