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.
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap Tethering & portable hotspot.
Tap Portable Wi-Fi hotspot settings.
Tap Configure Wi-Fi hotspot.
Tap the field below "Network name (SSID)" 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 below "Password" and key in the required password.
Tap the indicator next to "Portable Wi-Fi hotspot" to turn on the function.
Tap the Home key to return to the home screen.
Turn on Wi-Fi. 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.