Device Guides

Apple iPhone 4

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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 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

Solution:

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.

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