depending on how much storage space you need — you can easily save a copy of your essential iPhone information online and ...
So, suddenly, finding your iPhone contact list empty or numbers missing can scare the hell out of you. Fortunately, a way exists to restore iPhone contacts via iCloud if you accidentally deleted them.
You can use recovery mode to restore your iPhone or iPad if you've forgotten your passcode. To access the recovery mode, you need a computer and a cable to connect your iPhone to the computer.
You just need to know what to do, and do it quickly. Before iOS 16, you'd actually need to restore your iPhone from a backup to retrieve the message. Thankfully, this isn't the case anymore ...