Device Guides
Apple iPhone 4
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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.
Possible cause 5:
You've turned on manual network selection and are out of range of the selected network: Turn on the automatic network selection.Detailed instructions.
List view
1. 1. Find "Carrier"
Tap Settings.
Tap Carrier.
2. 2. Choose option
Choose one of the following options:
Select network manually, go to 2a.
Select network automatically, go to 2b.
Select network manually, go to 2a.
Select network automatically, go to 2b.
3. 3. 2a - Select network manually
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.
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. 4. 2b - Select network automatically
Tap Automatic to turn on automatic network selection.
When the menu item is ticked (V), the function is turned on.
5. 5. Exit
Tap the Home key to return to standby mode.
Step 3 of 7
Choose one of the following options:Select network manually, go to 2a.Select network automatically, go to 2b.
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