You can avail data connection through your mobile network,WiFi etc.Through mobile network you can connect directly.press Settings > Wireless & networks.Select the Wi-Fi check box to turn Wi-Fi on.Samsung GT-s3653 then scans for available wireless networks.Tap Wi-Fi settings and the available Wi-Fi networks are displayed.Tap the Wi-Fi network you want to connect to. If you selected an open network, you will be automatically connected to the network.If you selected a network that is secured with WEP, enter the key and then tap Connect.
Once you are connected to internet you can use Ip-details.com to know your public IP.
