BlackBerry no longer provides OTA updates. The only safe source for firmware is community-preserved . These are self-contained, signed OS installers.
. It runs Android 7.0 Nougat rather than BlackBerry 10. If you are seeing "BB100-15," it may be a mislabeled file name or a specific regional variant listed on unofficial firmware repositories. Firmware & Recovery Information blackberry firmware pangu bb100015
While the BlackBerry ecosystem has largely migrated to Android‑based devices, many enterprises, government agencies, and enthusiasts still rely on legacy BlackBerry hardware for its proven security, long‑term support, and physical keyboards. The Pangu BB100015 image is therefore useful for: BlackBerry no longer provides OTA updates