Shownotes:

postmarketOS website: https://postmarketos.org/
pmOS image download page: https://postmarketos.org/download/
pmOS wiki page for PINE64 PinePhone: https://wiki.postmarketos.org/wiki/PINE64_PinePhone_(pine64-pinephone)
JumpDrive: https://github.com/dreemurrs-embedded/Jumpdrive
JumpDrive images (does not currently support PinePhone Pro!):...