Being Tricky
The short answer
If you see an iCloud Storage Full alert, open Settings → [your name] → iCloud and check what is using the space.
At a glance
About 15 minutes · Medium · For iPhone
Key point 1 of 5
Every Apple Account comes with 5 GB of free iCloud storage.
Key point 2 of 5
In most cases the biggest items are Photos and Backups.
Key point 3 of 5
On iOS 17 and later, Apple suggests things you can safely remove.
Key point 4 of 5
If you have years of photos and want them all in iCloud, cleaning up only buys you time.
Step 5 of 5
Open the Settings app and tap your name at the top.
Quick tip
Optimize iPhone Storage saves space on your phone, not in iCloud. It keeps full-size originals in iCloud and smaller copies on the device.
Watch out
Only delete a backup if you are sure you don't need anything from that device.
You might ask
Will I lose my photos if my iCloud storage is full? No. Apple says your existing data stays put.
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Being Tricky