When you use your mobile phone as a Wi-Fi Hotspot, you can share your mobile phone's internet connection with other devices via Wi-Fi. Before you can set up your mobile phone as a Wi-Fi Hotspot, you need to set up your mobile phone for internet.
Tap Wireless & networks.
Tap Personal hotspot.
Tap Device name.
Key in the required name of the Wi-Fi Hotspot and tap SAVE.
Tap Password and key in the required password.
The password prevents others from accessing your Wi-Fi Hotspot without your approval.
Tap the indicator next to "Personal hotspot" to turn on the function.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
Turn on Wi-Fi on the other device. Find the list of available Wi-Fi networks and select your own Wi-Fi Hotspot. Key in the password for your Wi-Fi Hotspot and establish the connection. When the connection is established, you can access the internet from the other device.