Download the LineageOS .zip file and the corresponding (Google Apps) package if you want Google Play Services. In recovery, go to Advanced > ADB Sideload .
Your exact (found in Settings > About Phone) Your computer's operating system (Windows, macOS, Linux) Your comfort level with using command-line terminal tools
Download apps like Button Mapper or Key Mapper from the Play Store or F-Droid. Use them to map shortcuts to the Speed Key and Convenience Key. blackberry key2 lineageos
This guide is a simplified overview based on community research. Always refer to the latest instructions on the XDA Developers thread for the most up-to-date information.
: Wi-Fi, Bluetooth, and Modem (including calls and SMS) are operational. Download the LineageOS
Type adb reboot bootloader and press Enter. Your phone will boot into a black screen with text. Verify connection by typing fastboot devices .
: Most development happens in private/semi-private Discord channels linked within XDA or CrackBerry threads. Use them to map shortcuts to the Speed
Installing LineageOS on your BlackBerry KEY2 is ultimately a trade-off. You are swapping the stable, secure, but outdated Android 8.1 for a modern, feature-rich Android 15 operating system, albeit one that requires a "tethered" bootloader unlock and has some functional bugs.