Turn on the Portable Wi-Fi Hotspot feature on your Android smartphone or tablet
1 Go to the Settings screen on your Android phone. You can get there by pressing the menu button on your device when you're on the home screen, then tapping "Settings".
2 At the Settings screen, tap the "Wireless & networks" option.
3 You should see an option for "Portable Wi-Fi hotspot". Click the check mark beside it to turn on the hotspot and your phone will start acting like a wireless access point. (You should see a message in the notification bar when it's activated.)