Device Guides


I can't use my mobile phone's internet connection

This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.

OPPO A78 5G
OPPO A78 5G

Before you start this troubleshooting guide you need to check one important thing:

Can you make a voice call?

It's important to find out if you can make a call. If you can't make a call, you need to solve this problem first. When the problem is solved, you will most likely also be able to use your mobile phone's internet connection.


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