The Huawei P20 Pro can display various symbols and icons in the status bar. This also includes a symbol in the form of a key.
If this key symbol is displayed in the status bar of your smartphone, it means that the following function has been activated in the Android settings:
So if you see the key icon in the status bar, then you probably have a VPN connection running in the background. If you have activated it accidentally, you can simply deactivate it. Simply proceed as follows in the Android options:
Deactivating VPN on the Huawei P20 Pro:
1. Open the settings
2. Navigate to here: Wireless & Networks
3. Continue to "VPN"
4. Now deactivate the existing VPN connection or delete the VPN entry completely.
The key symbol then disappears in the status bar of your Huawei P20 Pro.
You now know the cause of the key icon in the status bar of your Huawei P20 Pro and how to deactivate the corresponding function, the VPN connection.