Huawei P20
Using your phone as Wi-Fi hotspot
When you use your phone as a Wi-Fi hotspot, you can share your phone's internet connection with other devices via Wi-Fi. To use your phone as a Wi-Fi hotspot, you need to set up your phone for internet.
Press Settings.
Press Wireless & networks.
Press Tethering & portable hotspot.
Press Portable Wi-Fi hotspot.
Press Configure Wi-Fi hotspot.
Press Network name.
Key in the required Wi-Fi hotspot name and press SAVE.
Press Encryption type.
Press WPA2 PSK to password protect your Wi-Fi hotspot.
Press the field below "Password" and key in the required password.
Press SAVE.
Press the indicator to turn on the function.
Press the Home key to return to the home screen.
Turn on Wi-Fi on the other device.
Find the list of available Wi-Fi networks and select your own Wi-Fi hotspot.
Key in the password for your Wi-Fi hotspot and establish the connection.
When the connection is established, you can access the internet from the other device.