iPhone 7 Update and RestoreYou can update iPhone software in Settings, or by using iTunes. You can also erase or restore iPhone, and then use iCloud or iTunes to restore from a backup.
iPhone 7 UpdateYou can update software in iPhone Settings or by using iTunes.
Update wirelessly on iPhone. Go to Settings > General > Software Update. iPhone checks for available software updates.
Update software in iTunes. iTunes checks for available software updates each time you sync iPhone using iTunes. See Sync with iTunes
For more information about updating iPhone software, see support.apple.com
iPhone 7 RestoreYou can use iCloud or iTunes to restore iPhone from a backup.
Restore from an iCloud backup. Reset iPhone to erase all content and settings, then choose Restore from a Backup and sign in to iCloud in Setup Assistant. See Restart iPhone 7 or reset iPhone7 Pro
Restore from an iTunes backup. Connect iPhone to the computer you normally sync with, select iPhone in the iTunes window, then click Restore in the Summary pane. Advertisement