How to: Mobile Phone Hotspot
iPhone
Settings - Cellular - Personal Hotspot or Settings - Personal Hotspot
Ensure “Allow Others to Join” is enabled (shows green)
On your computer, connect to the hotspot as you would any other wifi network
Official apple documentation: How to set up a Personal Hotspot on your iPhone or iPad - Apple Support
Android
Settings - Connections - Hotspot and Tethering
-
Ensure that “Mobile Hotspot” is enabled.
Select Hotspot to see the password
On your computer, connect to the hotspot as you would any other wifi network
Official google documentation: Share a mobile connection by hotspot or tethering on Android - Android Help (google.com)