Device Guides

Apple iPhone 15 Plus

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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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How to
Troubleshoot
Specs

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:

Mobile data is turned off: Turn on mobile data.

List view

1. Find "Mobile Service"

Tap Settings.
Tap Mobile Service.

2. Turn mobile data on or off

Tap the indicator next to "Mobile Data" to turn the function on or off.

3. Turn use of mobile data for applications on or off

Tap the indicators next to the required applications to turn the function on or off.

4. Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.
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