Just follow these easy steps:
- Open your settings
- Go to Wireless & Network options
- Click on "More"
- Choose Tethering & Portable Hotspot
- Touch the box to place a check mark by the Portable Wi-Fi Hotspot
- Choose the Set Up Wi-Fi Hotspot item to give the hotspot a name and assign a password.
- Now you have hotspot and anyone can connect to your internet or hotspot after knowing the password from you.