Same issue here; ran through the installation process, opted no for SSH and yes for disk encryption. Set up the 5 digit PIN number and the disk encryption password. After reaching the first form, neither the PIN nor password are accepted and it returns "Incorrect Passphase!"
Currently going through the Postmarket OS wiki but haven't found any mention of a magic passphrase etc. Will let you know if progress is made.
EDIT: Found an interesting tidbit in this blog post:
https://medium.com/@fviard/my-first-step...0b7277b60a
My disk encryption password contained alpha characters, did yours as well? That's probably what the issue is. Going to reinstall the OS.
Currently going through the Postmarket OS wiki but haven't found any mention of a magic passphrase etc. Will let you know if progress is made.
EDIT: Found an interesting tidbit in this blog post:
https://medium.com/@fviard/my-first-step...0b7277b60a
Quote:Note: When pmOS ask you to set a “New password”, you should only use a numeric code. Otherwise, you will be blocked by the phone lockscreen that only allows numbers and not characters.
My disk encryption password contained alpha characters, did yours as well? That's probably what the issue is. Going to reinstall the OS.