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Huawei P20
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How to activate or deactivate data roaming
You can limit your data usage when abroad by deactivating data roaming. No connection to the Internet via the mobile network when abroad can then be established. You can still use WLAN even though data roaming is deactivated.
1. Find "Mobile network"
Press Settings.
Press Wireless & networks.
Press Mobile network.
2. Activate or deactivate data roaming
Press Data roaming to activate or deactivate the function.
If you activate the function, press OK.
3. Return to the Home screen
Press the home icon to end the session and return to the Home screen.