Apple iPhone 4 (iOS4)

Apple iPhone 4

iOS5 iOS4
If you don’t know your device’s software version, you can check it by selecting Settings > General > About.

How to guides

Turn silent mode on or off

When silent mode is turned on, all audible signals are turned off. Follow these instructions to turn silent mode on or off.

Step 1 of 1

Turn silent mode on or off

Slide the Silent mode key right or left to turn silent mode on or off.

1. Turn silent mode on or off

Slide the Silent mode key right or left to turn silent mode on or off.

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