The BlackBerry Key2, released in 2018, runs on Android. "Firmware" in this context usually refers to the , the Radio/Baseband files (for cellular connectivity), and the Bootloader .

Go to Settings > About phone > Model number .

: If you must use a KEY2, avoid sensitive transactions, do not install sideloaded APKs, and keep it on a segregated Wi-Fi network.

If you need a specific firmware file (e.g., BBE100-2 final Oreo build), reply with your exact model and current build – I can help locate the correct OTA checksums.