Turn Mobile / Wi-Fi Hotspot On / Off - Microsoft Lumia 735
This shows how to turn Mobile Hotspot on or off. If you're having trouble setting up or connecting to Wi-Fi, make sure Mobile Hotspot is off.
When Mobile Hotspot is turned on, other Wi-Fi services are turned off.
From the Start screen, swipe the screen left to display the Apps list. Alternatively, tap All apps (located in the lower-right, may require scrolling).
Tap Settings .
Tap Network & wireless.
Tap Mobile hotspot.
Tap the "Sharing" On/Off switch (located at the top).