[kalleboo]

> Verizon is CDMA-based and might not fully work on these phones

CDMA is no longer activated on new contracts/devices, and the CDMA network is planned to be shut down by next year (December 31, 2020).

Verizon is now LTE (GSM/3GPP)-based.

[commoner]

You're right about that. It looks like some PinePhone users are reporting success with Verizon while others are not. Your mileage may vary.

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.