From the Home screen, tap the Menu Key > System settings > Networks tab > Wi-Fi.
If the Wi-Fi button is on the left and the icon is grey-colored, drag the button to the right to turn on Wi-Fi. Your phone scans for available Wi-Fi networks.
Tap a network, then tap Connect to connect to it.
If the network is open, you can connect to the network directly by tapping the network name.
If the network is secured, you’ll be prompted to enter a password (Ask your network administrator for details).
When you’re connected to a network, you can tap the network name in the Wi-Fi settings screen for details about the speed, security, address, and related settings.