Apple iPhone 4S

Apple iPhone 4S

iOS 9.0
iOS 9.0 iOS 7 iOS 6 iOS 5

Basic use - Apple iPhone 4S

Troubleshooting

My phone's battery life is short

Sound settings

Select ring tone
Turn silent mode on or off

Screen settings

Select language
Set date and time
Use notifications

Security codes

Turn use of PIN on or off
Turn use of phone lock code on or off

Software update

Update phone software
Restore factory default settings

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