However, if you want a reliable daily driver, you might be better off keeping the Passport on its native OS as a dedicated MP3 player or note-taking device, or looking toward modern Linux phones like the PinePhone or Librem 5 for your open-source fix.
Even with a successful chroot setup, the Passport's unique hardware presents hurdles: linux on blackberry passport
There is no stable, daily-driver-ready build for the Passport. However, if you want a reliable daily driver,
: The Passport features a heavily secured bootloader that has not been publicly bypassed. This prevents the installation of a custom kernel, meaning you cannot run a "pure" mobile Linux OS like PostmarketOS or Ubuntu Touch. linux on blackberry passport