The process of setting up a Hotspot on your Android phone allows you to connect via cellular data with another phone, tablet, or laptop when the main Internet connection is lost.
Note: It's a good idea to first identify your carrier and the service plan you're subscribed to, as not all plans may allow tethering and hotspot services to be enabled, and some phones of a particular brand may disable hotspot capabilities completely.
You've likely seen the hotspot button when checking the notification center on your phone's home screen, and while this is the quickest and easiest way to turn the phone hotspot on and off, you'll need to follow a few steps to enable it:
After that, all you have to do is to turn on the hotspot feature, by pressing the call icon in the notification center on the main phone screen or entering the settings and activating it.
And remember: smartphone manufacturers sometimes add their own widgets, and that often means moving settings and options, so their places may be slightly different depending on which phone model you have.
It is also possible to set up a hotspot using your Android phone's USB cable, but remember that this may not work for every Android phone, and if your phone supports this method here's how to do it: