Since the official software stalled at , using a stock Priv today is difficult due to decaying app support.
: The device checks the digital signature of the operating system at every startup. If the signature doesn't match BlackBerry's official keys, the phone simply will not boot. Blackberry Priv Custom Rom
: Developer Balázs Triszka (Balika011) successfully ported LineageOS 18.1 to the Priv. However, this is primarily functional only on prototype/engineering units that shipped with an unlocked bootloader. Since the official software stalled at , using
: For retail units, the only known path to a custom ROM involves high-level microsoldering. Some modders have experimented with desoldering the eMMC (storage) chip, reprogramming it with an unlocked bootloader and ROM, and resoldering it. Some modders have experimented with desoldering the eMMC
The primary hurdle for any project is the locked bootloader.
Despite these hurdles, there has been some movement for dedicated enthusiasts and specific hardware versions.