nostr:npub1znavx0efn9y7a9tjux6pchjdurmw2e84fxwxflmauupjz0558x0sqmwtpl

That just means you have to use it on a certain carrier. Maybe I don't understand. They should have said what network it was for. You can root the phone and use it on other networks if it supports the frequency bands.

https://forum.xda-developers.com/f/samsung-galaxy-s22.12511/?prefix_id=37