Restart, recovery, backup, and transfer
Erase All Content and Settings
Most people call this wiping the phone completely.
This removes everything and returns the iPhone to the state it was in out of the box, which is what you do before selling or giving it away.
This setting is present on your iPhone.
- We have this path on file but have not yet confirmed it against an official source.
Where to find it - iOS 15 and later
- Settings
- General
- Transfer or Reset iPhone
- Erase All Content and Settings
What it does
All data, apps and settings are removed and the encryption key is destroyed. Activation Lock is cleared if you sign out of your Apple Account properly during the process.
What changes
When it is on
Not applicable. This is a one time action.
When it is off
Not applicable.
Should you turn it on?
Battery
No real change
Privacy
Helps
Performance
No real change
Cellular data
No real change
Storage
Helps
Out of the box: Never runs by itself.
Can cause real problems
Where this setting used to live
Apple moves settings between releases. This is every location we have on file.
-
iOS 15 and later
Settings > General > Transfer or Reset iPhone > Erase All Content and Settings
-
iOS 4 to iOS 14
Settings > General > Reset > Erase All Content and Settings
Questions people actually ask
- How do I wipe my iPhone before selling it?
- Back up, then Settings, General, Transfer or Reset iPhone, then Erase All Content and Settings, and follow the prompts to sign out.
If it is not working
- Back up first, and confirm the backup completed before erasing.
- iOS offers a fresh iCloud Backup as part of the flow.
- Signing out of your Apple Account removes Activation Lock. Without that, the next owner cannot use the phone.
Related settings
- iCloud Backup iCloud Backup copies your device settings, app data, messages and...
- Activation Lock Activation Lock ties an iPhone to your Apple Account so it cannot be...
- Preparing an iPhone to sell or trade in Back up, sign out of your Apple Account, unpair anything connected...
- Reset All Settings Every preference returns to its default value while your apps, photos...