Hotspot and Wi-Fi
I have mobile data and whenever I want to enable my hotspot and provide other people my internet . I have to turn on my Wi-Fi or Bluetooth on.
why there is need to turn on them?
Question marked as
why there is need to turn on them?
It is how other devices connect to your device (such as an iPhone) which uses cellular data to connect to the internet.
Read further in How to set up a Personal Hotspot on your iPhone or iPad