Transfer your chosen Custom ROM .zip file and a matching GApps package (if desired) to the phone's internal storage or an SD card. In TWRP, tap "Install," select the ROM file, and add the GApps file to the queue. Swipe to confirm the flash. Once complete, reboot the system.
Users who want a simple, clean experience but want to be able to change themes and system icons. Critical Factors Before Installing blackberry keyone custom rom top
There are no added features, no skinning, and no pre-installed apps outside of the core system. Transfer your chosen Custom ROM
Open your phone's Settings > System > Languages & Input > Physical Keyboard . Select your keyboard type and choose the matching FinQwerty layout for your region (e.g., US English BlackBerry KEYone). " select the ROM file