Device Guides

Apple iPhone 15

iOS 17

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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I can't use my mobile phone's internet connection

This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.

Possible cause 3:

There's an error in the operating system on your mobile phone: Restart your mobile phone.

List view

1. Restart your mobile phone

Tap the Top volume key.

Tap the Bottom volume key.

Tap and hold the Side button until your mobile phone restarts.

Step 1 of 3

Tap the Top volume key.

Step 2 of 3

Tap the Bottom volume key.

Step 3 of 3

Tap and hold the Side button until your mobile phone restarts.

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