Apple iPhone 4S

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Image 1: Apple iPhone 4S in White
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Troubleshooting

My phone's battery life is short

Sound settings

Select ring toneSelect message toneTurn silent mode on or offTurn vibration on or offSelect ring volume

Screen settings

Select languageSet date and timePersonalise your phone's home screenSet screen brightnessUse push notifications

Voice control

Select settings for SiriUse Siri

Security settings

Turn use of PIN on or offChange PINUnblock PINTurn use of phone lock code on or offView network lock status

Software update

View software versionBack up phone memory to iCloudUpdate phone softwareRestore factory default settings

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