Intro: First of all, add your favourite devices to the "Allowed device list" then turn on "Allowed devices only" from the "Mobile Hotspot" settings.
How to add: To add devices to "Allowed device list" Tap & Hold "Mobile Hotspot" button from quick settings panel then find connected devices below and add your favourite devices one by one by tapping (+) button right sided. & then go to rightest 3 dots top of the page, then go to "Allowed devices" then turn on "Allowed devices only"
