You should see a lock next to your device's name and the date and time that the backup was created. First, connect your phone to your computer and fire up iTunes.
WHAT RESET ENCRYPTED DATA MEA IPHONE PC
On a Mac with macOS Mojave 10.14 or earlier, or on a PC with iTunes, from the menu bar at the top of the iTunes window, choose Edit > Preferences, then click the Devices tab.