Here is the full list of all 13 A Normal Lost Phone achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Unlock Sam-thing's profile on Lovbirds.
Download a music attachment from the E-mail app.
Complete the game.
Discover intimate secrets.
"You look really beautiful"
Be a VIP member.
There's no run off until it runs out!
Unlock Sam-thing-else's profile on Lovbirds.
Download a photo attachment from the E-mail app.
Send the draft from the E-mail app.
Connect to the WiFi.
Use the shortcut to go to the top or the bottom of a conversation 10 times.
Erase the phone's data without uncovering its secrets.