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Apple iPhone 4S

iOS 9.0

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I can't make voice calls

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

Turn on automatic network selection.

Step 1 of 8

1. Tap Settings.

Step 2 of 8

2. Tap Carrier.

Step 3 of 8

3. Choose one of the following options:Select network manually, go to 2a.Select network automatically, go to 2b.

Step 4 of 8

4. If automatic network selection is turned on:Tap the indicator next to "Automatic" until the function is turned off.

Step 5 of 8

5. Your mobile phone will search for networks within range.Tap the required network.Your display will tell you if you've access to the network you've chosen.

Step 6 of 8

6. Tap the indicator next to "Automatic" until the function is turned on.

Step 7 of 8

7. Tap Settings to save the setting.

Step 8 of 8

8. Tap the Home key to return to the home screen.

Did this solution solve the problem? Yes No

Possible cause 3:

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

Solution:

Turn on automatic network selection.

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 automatic network selection is turned on:
Tap the indicator next to "Automatic" until the function is turned off.

Your mobile phone will search for networks within range.
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 the indicator next to "Automatic" until the function is turned on.

5. Return to the home screen

Tap Settings to save the setting.

Tap the Home key to return to the home screen.

Did this solution solve the problem?

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