While there is no "standard" custom ROM like LineageOS that you can simply download and flash to a stock BlackBerry Passport
One of the most interesting aspects of the BlackBerry Passport was its Android runtime environment, which allowed users to run Android apps on the device. This was made possible through a customized version of the Android runtime environment, which was integrated into the BlackBerry 10 operating system. blackberry passport rom
| Feature | BlackBerry Passport (BB10) | Typical Android Phone | |-----------------------|-------------------------------------|--------------------------------| | ROM replaceable? | No (locked bootloader) | Yes (unlock then flash custom) | | Recovery mode | None (only Factory OS Programming) | Yes (TWRP, etc.) | | Custom kernel | No | Yes (via custom ROM) | | ROM file format | Signed .signed (QNX) | ZIP (AOSP-based) | | Community ROMs | Hybrids only, not full OS | LineageOS, Pixel Experience… | While there is no "standard" custom ROM like
If you are searching for a standard Android Custom ROM (like LineageOS 18, 19, or 20) to flash onto your Passport, | No (locked bootloader) | Yes (unlock then
Unlike Android, BB10 does not have separate boot.img , recovery.img – all is one signed package.