You have to carry on these steps for just one time and after that, you can easily turn on and off the hotspot feature. Also remember, that not all smartphone manufacturers will place hotspot icons in quick widgets so the steps might differ a little bit.
Set up a mobile hotspot with a third-party app
There are many other apps that offer the same functionality however one needs to keep security in mind which should be the actual priority. Also Read: How to Turn On Wifi Hotspot on Jazz Digit 4G?