Some things you do can with postmarketOS on a refurbished phone like a OnePlus 6/6T:
1. Use Telegram and Flare (Signal client) to message your contacts
2. Use jmp.chat and an xmpp client like Dino to call and message regular phone numbers
3. Use Tuba for Fediverse applications like Mastodon
4. Browse the internet with mobile-friendly configured Firefox
5. Use Newsflash to follow RSS feeds and blogs
What else do you enjoy on #MobileLinux?