Samsung Galaxy A21s

Samsung Galaxy A21s

Android 10.0

I can't make voice calls on my Samsung Galaxy A21s Android 10.0

Cause 12 of 12: The selected network is out of range

If you've set your phone to use a specific network, it can't get a network connection if the selected network is out of range.

Solution: Turn on automatic network selection.

Step 1 of 9

Find "Network operators"

Slide two fingers downwards starting from the top of the screen.

Step 2 of 9

Find "Network operators"

Press the settings icon.

Step 3 of 9

Find "Network operators"

Press Connections.

Step 4 of 9

Find "Network operators"

Press Mobile networks.

Step 5 of 9

Find "Network operators"

Press Network operators.

Step 6 of 9

Select network manually

Press the indicator next to "Select automatically" and wait while your phone searches for networks.

Step 7 of 9

Select network manually

Press the required network.

Step 8 of 9

Select network automatically

Press the indicator next to "Select automatically".

Step 9 of 9

Return to the home screen

Press the Home key to return to the home screen.

1 Find "Network operators"

Slide two fingers downwards starting from the top of the screen.

Press the settings icon.

Press Connections.

Press Mobile networks.

Press Network operators.

2 Select network manually

Press the indicator next to "Select automatically" and wait while your phone searches for networks.

Press the required network.

3 Select network automatically

Press the indicator next to "Select automatically".

4 Return to the home screen

Press the Home key to return to the home screen.