Device Guides

Apple iPhone 4S

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iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.
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How to

Restoring factory default settings on my mobile phone

Want to restore the factory default settings on your mobile phone? It's easy, but please note: all data on your mobile phone will be deleted. Data on your SIM isn't deleted.


List view

1. Find "Reset"

Tap Settings.
Tap General.
Tap Reset.

2. Choose option

Choose one of the following options:
Restore settings only, go to 2a.
Restore settings and data, go to 2b.
Apple iPhone 4S (iOS8)

3. 2a - Restore settings only

Tap Reset All Settings.
If you select Reset All Settings, all mobile phone settings are restored but contacts, audio files, video clips, appointments, etc. aren't affected.
Tap Reset All Settings.
If you select Reset All Settings, all mobile phone settings are restored but contacts, audio files, video clips, appointments, etc. aren't affected.
Tap Reset All Settings.
Your mobile phone restarts.
If you select Reset All Settings, all mobile phone settings are restored but contacts, audio files, video clips, appointments, etc. aren't affected.

4. 2b - Restore settings and data

Tap Erase All Content and Settings.
If you select Erase All Content and Settings, settings, contacts, audio files, video clips, appointments, etc. are deleted. When you've restored settings and data, you need to activate your mobile phone.
Tap Erase iPhone.
If you select Erase All Content and Settings, settings, contacts, audio files, video clips, appointments, etc. are deleted. When you've restored settings and data, you need to activate your mobile phone.
Tap Erase iPhone to confirm.
If you select Erase All Content and Settings, settings, contacts, audio files, video clips, appointments, etc. are deleted. When you've restored settings and data, you need to activate your mobile phone.
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