If you are travelling in other European countries with your Huawei P20, you can benefit from data roaming and surf the Internet using your mobile data just as you would at home. However, this only works if the data roaming function is activated in the Android system settings.
So that you can also travel abroad in Europe, we have described in the following instructions how to activate data roaming on the Huawei P20.
Data Roaming Option for mobile Internet on the Huawei P20
1. Opens from the start screen the settings and then the submenu "Wireless & Networks"
2. From there it goes on to "Mobile Network"
3. In this menu you can now activate data roaming for the Sim Card 1 and Sim Card 2 (depending on the model of the P20)
You now know how to surf the mobile Internet with the Huawei P20 also in other European countries.