Aside from just preloading Nostr apps. . .

- Texts should work like this:
 Go through Nostr dms if  there key is saved to contacts. Rcs, sms/MMS otherwise (exceptions should be allowed on a per contact or conversation basis)

- contacts app should have a native way of saving a npub right alongside name, phone, and email 

- secure element for handling Nostr & Bitcoin keys

- physical switches for cameras, microphones, and radios.

- should be serviceable (even upgradable?) with a commonly found screen and replaceable battery.

-needs to function as a phone. And have a standard browser.