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 Other wireless connections.
Tap Personal Hotspot.
Tap Name and password settings.
Tap the field next to "Name" and key in the required name.
Tap the drop down list below "Security".
Tap WPA2 PSK to password protect your Wi-Fi Hotspot.
Tap the field next to "Password" and key in the required password.
Tap the indicator next to "Enable your personal hotspot" to turn on the function.
Tap the Home key 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.