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OPPO A78 5G
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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.
Possible cause 11:
The selected network is out of range: Turn on automatic network selection.
List view
1. Find "Operator"
Slide two fingers downwards starting from the top the screen.
Tap the settings icon.
Tap Mobile network.
Tap the name of your SIM.
Tap Operator.
2. Select network manually
Tap the indicator next to "Auto-select".
Tap Off.
Tap Off to turn off the function and wait while your mobile phone searches for networks.
Tap the required network.
3. Select network automatically
Tap the indicator next to "Auto-select" to turn on the function.
4. Return to the home screen
Tap the Home key to return to the home screen.
Step 1 of 11
Slide two fingers downwards starting from the top the screen.
Step 2 of 11
Tap the settings icon.
Step 3 of 11
Tap Mobile network.
Step 4 of 11
Tap the name of your SIM.
Step 5 of 11
Tap Operator.
Step 6 of 11
Tap the indicator next to "Auto-select".
Step 7 of 11
Tap Off.
Step 8 of 11
Tap Off to turn off the function and wait while your mobile phone searches for networks.
Step 9 of 11
Tap the required network.
Step 10 of 11
Tap the indicator next to "Auto-select" to turn on the function.
Step 11 of 11
Tap the Home key to return to the home screen.
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