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Mobile guides

    
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Apple iPhone 6s

Troubleshooting

If your device isn't working properly, you can try several solutions to solve the problem.
In most cases you can solve the problem by following these guidelines:

I can't make voice calls

Cause 4 of 8: Your mobile phone is set to connect to 4G networks only

If your mobile phone is set to connect to 4G networks only, it can't find a network if you're in an area with poor or no 4G network coverage.

Solution: Change network mode allowing your mobile phone to connect to both 2G, 3G and 4G networks.

Step 1 of 6

Press Settings.

Step 2 of 6

Press Mobile Data.

Step 3 of 6

Press Enable 4G.

Step 4 of 6

To activate 4G:
Press Voice & Data or Data Only.

Step 5 of 6

To deactivate 4G:
Press Off.

Step 6 of 6

Press the Home key to end the session and return to the Home screen.

1 Find "Enable 4G"

Press Settings.
Press Mobile Data.
Press Enable 4G.

2 Select network mode

To activate 4G:
Press Voice & Data or Data Only.
To deactivate 4G:
Press Off.

3 Return to the Home screen

Press the Home key to end the session and return to the Home screen.