How to sell or trade in your old iPhone
The Verge
SEPTEMBER 13, 2021
As mentioned above, it’s a good idea to have a current backup of all of your data saved on iCloud, your laptop, or any other local / cloud storage. Backing up your phone on iCloud Backup is probably the easiest. If “iCloud Backup” is switched off, toggle it on. If “iCloud Backup” is switched off, toggle it on.
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