The mobile phone WIFI is connected to the computer hotspot, but cannot connect to the Internet?


The Ubuntu 20.04 LTS computer is set as a hotspot and connected to the Internet.

The Android phone successfully connected to the Ubuntu computer hotspot.

However, Android phones can no longer connect to the Internet.

What is the reason?

Is the hotspot connected through to the internet ?

Computer hotspot: can connect to the Internet
Mobile phone: Can't connect to the Internet

Mobile phone display:: Connected. no internet.