I'm not sure if my iphone had been backed up.
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I'm not sure if my iphone had been backed up.
No. Simply restore it again with your own backup and you'll be fine.
Welcome to iMore.
If you have no backup in the cloud or on a computer all your data and settings will be gone. You will need a backup of your phone to recover it. Not being critical here but this is why it is important to backup your phone.