Information applies to iPhones running iOS 11 and higher.
In theBackupssection, tap theiPhoneentry to display the date and size of the backup.
Don’t See Your Backup?

You want to use the most recent backup you’re free to find.
Need instructions on how to back up your iPhone?
We’ve got articles focused on how to back upiPhone 6 and 6S,iPhone 7, andiPhone 8.

Scroll to the bottom and tapReset.
TapErase All Content and parameters.
Confirm and tapErase Now.

input your passcode when prompted.
drop your Apple ID/Apple Account password and tapErase.
It’s possible you’ll lose any data that’s not backed up.

The Apple logo and a progress bar appear on the screen.
Wait for the progress bar to complete.
When the iPhone restarts, sign in to iCloud with your Apple Account.

In theApps & Datascreen, tapRestore from iCloud Backup.
Select a backup file from the list.
Though it doesn’t happen often, sometimes restoring from backup is blocked by Error 3194.

If you’re experiencing error, we’ve gotinstructions on how to fix Error 3194.
Open iTunes on the computer that you use to back up the iPhone.
Connect the iPhone to the computer using a USB cable.
opt for iPhone icon to initiate the iPhone Summary screen.
In theBackupssection, clickRestore Backup.
drop your Apple Account information to begin the backup restoration.
This is the sameaccount that you set upwhen youactivated your iPhoneinitially.
What Happens Now?
iTunes reloads the backup data onto your phone.
While restoring a backup, you may see a message to turn off Find My iPhone.
Go toSettings, tap your name, then tapiCloud.
Turn off theFind My iPhonetoggle switch.
Turn it back on after the backup is complete.