Apple iPhone 4 iOS 4

Apple iPhone 4

iOS 4

You can't make voice calls - Apple iPhone 4 iOS 4

Cause 9 of 9: Your phone has no network connection

If your phone isn't connected to a network, you can't make any calls.

Solution: Select network manually.

Step 1 of 7

Find "Carrier"

Press Settings.

Step 2 of 7

Find "Carrier"

Press Carrier.

Apple iPhone 4 iOS 4
Step 3 of 7

Choose option

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

Step 4 of 7

2a - Select network manually

Your phone will search for networks within range.
A list of available networks will show on your display.
Press the required network.
Your display will tell you if you've access to the network you've chosen. If you don't have access, it's because your operator doesn't have a roaming agreement with the operator in question.

Step 5 of 7

2b - Select network automatically

Press Automatic to turn on automatic network selection.

Step 6 of 7

2b - Select network automatically

When the menu item is ticked (V), the function is turned on.

Step 7 of 7

Exit

Press the Home key to return to standby mode.

1 Find "Carrier"

Press Settings.
Press Carrier.

2 Choose option

Choose one of the following options:
Select network manually, go to 2a.
Select network automatically, go to 2b.
Apple iPhone 4 iOS 4

3 2a - Select network manually

Your phone will search for networks within range.
A list of available networks will show on your display.
Press the required network.
Your display will tell you if you've access to the network you've chosen. If you don't have access, it's because your operator doesn't have a roaming agreement with the operator in question.

4 2b - Select network automatically

Press Automatic to turn on automatic network selection.
When the menu item is ticked (V), the function is turned on.

5 Exit

Press the Home key to return to standby mode.

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