How to Create a wifi / wireless hotspot in Ubuntu 20.10 (Groovy Gorilla) or ubuntu 20.04.1 LTS support ios and Android
Press Ctrl + Alt + T to Open Terminal and enter the following command.
nm-connection-editor
When the ‘Network Connections‘ window appear, click plus (+) button
select Wi-Fi from the drop-down menu box and press Create
And then please type your wifi name
Type your connection name
Type your SSID name
Mode: Hotspot
next go to Wi-Fi security tab and Select WPA & WPA2 Personal then type your wifi password (8 digit)
After that open Setting > Wifi > Click 3 dot on the top-right menu and click Connect to Hidden Network
Last Step Select your connection name and click connect