what purpose for?

1) In the windows mobile, first you have to go the menu option. In the menu option go to the setting s option.
2) Under the settings option you will get many options. Under that you will have to select the network cards options.
3) Under the network card option you will have to select the network adapter that you want.
4) Under that you will get two option of use server assigned ip address and the other one would be the use specific address.
5) You will have to select the use specific ip address. Once you click the use specific address, you will get the options of the ip address, subnet mask and the default gateway. So accordingly you will have to change the ip address and set the static ip address.

Ask if which OS and phone model he is referring to first. I am not sure about the Windows Mobile since i never use it, but i know there are version 6.1, version 6.5 and etc....

1. Ensure that Airplane Mode is disabled.
· Press and hold the Power button.
· A new screen should come up and you should see “Airplane mode is OFF” under the listing for Airplane Mode.

2. Ensure the Wi-Fi is turned on.
· Home>Menu>Settings>Wireless &networks. Ensure that Wi-Fi is checked.
· Tap Wi-Fi settings, and you should see a list of wireless networks.

3. Touch the network listing that you would like to connect to and the connection process should begin.
· If the network requires a passcode, you will be prompted to enter the code before the connection is completed.
· If you are connecting to a network that requires you agree to Terms & Conditions, after you connect you will need to launch the browser and complete the providers requirements.
· If you are connecting to a Hidden Network with a non broadcasted SSID, that network will not show up under detected available networks. In order to connect to a hidden network, you will need to select “Add Wi-Fi Network” on the Wi-Fi settings page and manually enter in the settings for said network.