Solution On How To Use Your Mobile Phone As A Modem (For Windows VISTA)1: First thing first. Install your phone's Connectivity Cable Driver
2: Connect your cable to your phone and PC and
Wait till all 'installing device driver software' are all 'ready to use'

3: Go to control panel (with classic veiw) > Phone and modem options

You will be requested to choose country and city code (use 1)
4: Go to modems tab (Click on your previously installed phone. properties)

5: Click on change settings (windows would request for your permission to continue)

6: A new properties would pop out, go to modem tab, change your maximum port speed to 460800 or more,

7: Go to advanced tab, put in +CGDCONT=,,"mms.ng.celtel.com" (works if your line has been activated for celtel mms only). To use any other access point,change +CGDCONT=,,"access point" access point to your desirable one (OK)

8: Go to control panel (with classic veiw) > click on Network And Sharing Center

9: Click on Setup a connection Or network
Choose '(The third option) Set up a dial-up Connection

10: Use the following Details
Dial-up phone number: *99***1#
User name: wap
password: wap
Connection name: You're free to use any name
All done? click on connect

11: Connecting to (name) . Dialing *99***1# , verifying user name and password,
Registering your computer to the network

12: Testing your Internet connection . . .

13: Done. Click on Browse the Internet now

If Testing your Internet connection takes too long,
or
14: Not successful, click on set up the connection anyway


15: Next, you will be required to set the network location, just choose any of the locations jare (Vista is just wish to be troublesome)

16: Double click on the connection profile you just created

17: Click on Dial (or what again were you waiting for? )

18: Hurry, successfully connected to network

19: Go to control panel (with classic veiw) > click on Network And Sharing Center and click on manage network connection

20: Right click on your connection name to create a shortcut on your desktop

Cheack your desktop, you will notice an icon like this
If connected yet not browsing,
Go to control panel (with classic veiw) > click on Internet options then go to connections tab. Select your connection and click on settings

Mark use proxy server
For celtel, let your address be: 172.18.254.5 and port: 8080

OK Cool