: Disable Stolen Device Protection (Settings > Privacy & Security) before resetting to avoid a one-hour security delay if you are at a trade-in store.
: If you are switching to a non-Apple phone (like Android), turn off iMessage in Settings > Messages to avoid missing incoming texts. SELL MY IPHONE
: Back up your iPhone to iCloud (Settings > [Name] > iCloud > iCloud Backup) or a computer to ensure you can transfer your photos and messages to a new device. : Disable Stolen Device Protection (Settings > Privacy