To update your Android device's OS:
- From the the Home Screen, tap "Menu"
- Within "Menu," tap "Settings"
- Within "Settings" tap "More"
- Select "About Device"
- Choose "Software Update"
- You will be prompted to connect to wifi (if you haven't already)
- A notification that your OS is up-to-date will pop-up or you will be asked to follow prompts to perform an update.