Device Help Apple iPhone X Calls and voicemail
Apple iPhone X

Apple iPhone X

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Popular guides

Turn screen lock on or off

Set up your mobile phone for MMS

Set up your mobile phone for POP3 email

Divert calls to alternative number

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Getting started

Basic functions

Calls and voicemail

Messaging

Apps and media

Connectivity

I can't make voice calls

Back to Calls and voicemail
If you have problems making voice calls, there may be several causes of the problem.
We found 10 possible solutions to your problem. Click Start guide to see the solutions.
There's an error at the receiving end
There's a temporary network problem
Not adequate network coverage
There's no credit on your prepaid phone card
Your number has been suspended
Your mobile phone is overloaded for unknown reasons
Flight mode is turned on
Roaming isn't activated in your rate plan
Your SIM is faulty
The selected network is out of range

You can set your mobile phone to find a network automatically or you can choose a network manually. If you select a network manually, the network connection will be lost if you're out of range of the selected network.

Step 1 of 5

Find "Carrier"

Tap Settings.

Step 2 of 5

Find "Carrier"

Tap Carrier.

Step 3 of 5

Select network

Tap the indicator next to "Automatic" to turn automatic network selection on or off.

Step 4 of 5

Select network

If you turn off the function, tap the required network (eg. Singtel Mobile).

Step 5 of 5

Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

Swipe right for the next step

Tap anywhere to dismiss

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