Back up and restore
What is the difference between restore and update in the above steps? Another question I need to make backup before restoring is that an option
iPhone XR, iOS 16
Restore is always from a Backup.
If you need to restore then you must have a previous backup to restore your device from.
The "update" is to update iOS on the device. It is recommended that you need to take a backup before you update.
It may seem a bit confusing but to put in short
- Backup before an iOS update is recommended
- Restore uses a backup.