Enable "Developer Options" on your KEY2 and toggle on USB Debugging and OEM Unlocking . Step 1: Unlocking the Bootloader
The LineageOS 20 zip (Android 13) was only 680MB—tiny compared to the 2GB stock ROM. He sideloaded it via ADB. The progress bar crept… 25%… 50%… 85%… then froze. For three minutes, Leo’s stomach dropped. blackberry key2 lineageos install