https://forum.pine64.org/showthread.php?tid=9150
https://wiki.pine64.org/index.php/PinePhone_APN_Settings#Ver...
Some Librem 5 users suggest activating the Verizon SIM card in an Android phone or iPhone, and then moving the activated SIM card to the Librem 5:
https://www.reddit.com/r/Purism/comments/cjjcdv/well_librem_...
GSM-based networks still seem to be the more reliable option for Linux phones, but it's good to see that Verizon might also be compatible with some effort.