I have problems using my Xiaomi Redmi A3 as a WiFi hotspot

Slide two fingers downwards starting from the top of the screen.

Press the settings icon.

Press Network and Internet.

Press Hotspot and tethering.

Press Wi-Fi hotspot.

Press Hotspot name and key in the required name for the WiFi hotspot.

Press Security.

Press WPA3-Personal to password protect your WiFi hotspot.

The password prevents others from accessing your WiFi hotspot without your approval.

Press Hotspot password and key in the required password.

Press OK.

Press the indicator next to 'Use Wi-Fi hotspot' to turn on the function.

Press the Home key to return to the home screen.

Turn on WiFi on the other device.

Find the list of available WiFi networks and select your own WiFi hotspot.

Key in the password for your WiFi hotspot and establish the connection.

When the connection is established, you can access the internet from the other device.