Device Guides

Apple iPhone 4

Change device
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.
Change device

I can't make calls on my mobile phone

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

Turn on the automatic network selection.Detailed instructions.

Possible cause 7:

You've turned on manual network selection and are out of range of the selected network


Turn on the automatic network selection.Detailed instructions.

1. Find "Carrier"
Tap Settings.
Tap Carrier.
2. Choose option
Choose one of the following options:
Select network manually, go to 2a.
Select network automatically, go to 2b.
3. 2a - Select network manually
If required, tap Automatic to turn off automatic network selection.
Your mobile phone will search for networks within range.
A list of available networks will show on your display.
Tap the required network.
Your display will tell you if you've access to the network you've chosen.
4. 2b - Select network automatically
Tap Automatic to turn on automatic network selection.
5. Exit
Tap the Home key to return to standby mode.

Did this solution solve the problem?

Email this guide

Would you like information for your {device-name}?

Would you like

Information for one of these devices?

No thanks