OPPO A57s

OPPO A57s

Android 12.0

I can't make voice calls on my OPPO A57s Android 12.0

Cause 4 of 15: Fixed dialling is turned on

When you turn on fixed dialling, you can only call predefined numbers and do emergency calls.

Solution: Turn off fixed dialling.

Step 1 of 12

Find "Fixed dialling numbers"

Press the phone icon.

Step 2 of 12

Find "Fixed dialling numbers"

Press the menu icon.

Step 3 of 12

Find "Fixed dialling numbers"

Press Settings.

Step 4 of 12

Find "Fixed dialling numbers"

Press Calling accounts.

Step 5 of 12

Find "Fixed dialling numbers"

Press Advanced settings.

Step 6 of 12

Find "Fixed dialling numbers"

Press Fixed dialling numbers.

Step 7 of 12

Turn on fixed dialling

Press the required SIM.

Step 8 of 12

Turn on fixed dialling

Press Enable FDN to turn on fixed dialling.

Step 9 of 12

Turn on fixed dialling

Key in the PIN2 and press the confirm icon.

Step 10 of 12

Turn off fixed dialling

Press Disable FDN to turn off fixed dialling.

Step 11 of 12

Turn off fixed dialling

Key in the PIN2 and press the confirm icon.

Step 12 of 12

Return to the home screen

Press the Home key to return to the home screen.

1 Find "Fixed dialling numbers"

Press the phone icon.

Press the menu icon.

Press Settings.

Press Calling accounts.

Press Advanced settings.

Press Fixed dialling numbers.

2 Turn on fixed dialling

Press the required SIM.

Press Enable FDN to turn on fixed dialling.

Key in the PIN2 and press the confirm icon.

3 Turn off fixed dialling

Press Disable FDN to turn off fixed dialling.

Key in the PIN2 and press the confirm icon.

4 Return to the home screen

Press the Home key to return to the home screen.

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