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
Or
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
If connected yet not browsing,
Go to control panel (with classic veiw) > click on Internet options then go to connections tab. Select your connection name
Mark use proxy server
For celtel, let your address be: 172.18.254.5 and port: 8080
OK
