This is the "Holy Grail" for Key2 owners. While the official factory software ended at Android 8, developers have successfully ported Android 15 to the device. BlackBerry KEY2 in 2026 — Is It Still Usable?

/e/OS is a de-Googled fork of LineageOS. On the Key2, it runs exceptionally cold because it blocks Google Play Services from phoning home. You can actually get 2 full days of battery life.

Installing a custom ROM on your BlackBerry KEY2 can be a great way to breathe new life into your device and unlock its full potential. With a range of popular ROMs available, you're sure to find one that suits your needs and preferences. Just be sure to do your research, follow the installation instructions carefully, and enjoy the benefits of a customized Android experience.