Android Wifi or hotspot automatic turning off?





It is because your device is old and need an update.

Or it may be due to your device bug


How to fix hotspot automatic turning off?

Reboot your device 
Or,
Update your device
Or, 
At last take back up and then reset your device.

Will this fix my hotspot automatic turning off ?


Yes with these three ways it will definitely help your device to fix it.
Now you will not get that bug.

Meanwhile updating your phone is the best solution for this as mostly the error is always present in your old device as old device can not solve and fix new bugs. 

If you downloaded an unknown app then there must be probability of getting virus in that app that's why your WiFi is always going down.

So reboot or update or reset according to your priorities.