How to turn data roaming and data services on/off on my Huawei smartphone
- Touch Settings.
- Touch Mobile network.
- Touch Mobile data.
- Touch the Data roaming slider to change the setting (e.g., from off to on).
- Read the warning and touch OK.
- Data roaming is now on. Touch the Data Roaming slider again to turn it off.
- To switch data off completely, touch the Mobile data slider to turn it off.
- Data services are now off. Touch Mobile data again to turn data services on.
Applicable to:
Huawei P40 Pro, P30 Pro, P30, P30 Lite.






