Running LineageOS on a BlackBerry Passport is a "because I can" project, not a practical one. It is a beautiful piece of hardware finally running modern software. If you have a dusty Passport in a drawer, this is the most fun you can have with it.
Inside TWRP, go to Wipe > Advanced > Select Dalvik, System, Data, Cache . (Do not wipe Internal Storage if your ZIPs are stored there). Blackberry Passport Lineage Os
Installing LineageOS on a BlackBerry Passport is a hardware-intensive project rather than a simple software flash Running LineageOS on a BlackBerry Passport is a