OPPO A78 5G

Android 13

I can't use Wi-Fi calling on my OPPO A78 5G Android 13

Cause 2 of 3: Your phone's software hasn't been updated to the latest version

If you can't use Wi-Fi calling, you may need to update the phone software to the latest version.

Step 1 of 4

Find "About device"

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

Step 2 of 4

Find "About device"

Press the settings icon.

Step 3 of 4

Find "About device"

Press About device.

Step 4 of 4

Update phone software

Press ColorOS. If a new software version is available, it's displayed. Follow the instructions on the screen to update the phone software.

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

Press the settings icon.

Press About device.

Press ColorOS. If a new software version is available, it's displayed. Follow the instructions on the screen to update the phone software.

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