OPPO A78 5G

OPPO A78 5G

Android 13

I can't make voice calls on my OPPO A78 5G Android 13

Cause 15 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 11

Find "Fixed dialling numbers"

Press the call icon.

Step 2 of 11

Find "Fixed dialling numbers"

Press the menu icon.

Step 3 of 11

Find "Fixed dialling numbers"

Press Settings.

Step 4 of 11

Find "Fixed dialling numbers"

Press Calling accounts.

Step 5 of 11

Find "Fixed dialling numbers"

Press Operator-related settings.

Step 6 of 11

Find "Fixed dialling numbers"

Press Fixed dialling numbers.

Step 7 of 11

Turn on fixed dialling

Press Enable FDN.

Step 8 of 11

Turn on fixed dialling

Key in the PIN2 and press the confirm icon.

Step 9 of 11

Turn off fixed dialling

Press Disable FDN.

Step 10 of 11

Turn off fixed dialling

Key in the PIN2 and press the confirm icon.

Step 11 of 11

Return to the home screen

Press the Home key to return to the home screen.

1 Find "Fixed dialling numbers"

Press the call icon.

Press the menu icon.

Press Settings.

Press Calling accounts.

Press Operator-related settings.

Press Fixed dialling numbers.

2 Turn on fixed dialling

Press Enable FDN.

Key in the PIN2 and press the confirm icon.

3 Turn off fixed dialling

Press Disable FDN.

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.

Customer Impacting Events

Mobile ›

Excellent Very Good Good Fair Low No Connection

Landline & Broadband ›

Excellent Very Good Good Fair Low No Connection