This is how to connect your PC to Internet using your Phone as Modem. NOTE: If you are connecting using USB then you may need USB Driver for that specific phone. If you are connecting via Bluetooth, then no need of anything.

1. HOW CAN WE CONNECT A COMPUTER TO THE INTERNET USING MOBILE AS A MODEM (GPRS)
STEP 1:
a. Connect you Phone to the PC
b. Go to the Control Panel
Click here

2. STEP 2 : Click on “Phone and Modems”
Click here

3. STEP 3 : Click on “Modems” tab
Click here

4. STEP 4 : Select the Modem of the Phone that you are using
Select the Modem of Phone

5. STEP 5 : Click on Properties
Click here

6. STEP 6 : Click on change setting
Click here

7. STEP 7: Click on “Advanced” tab
Click here

8. Step 8: Write the following command in “Extra initializing Commands” text box:
AT+CGDCONT=1,”IP”,”access point”<cr>
In above command replace “access point” by ISP’s access point (you can consult ISP’s
Customer Care for GPRS Access point. For “Airtel” access point is airtelgprs.com
For example; if the ISP is AIRTEL, write the following command:
AT+CGDCONT=1,”IP”,”airtelgprs.com”<cr>
Write the above command here

9. STEP 8: Click on “OK”
Click here

10. Step 9: Now make a “Dial Up” connection and use the following setting:
Dial Up Phone number = *99#
Or
*99***#
Or
*99***1#
Or
*99**1*#
Username = BLANK
Password= BLANK
Connection name= Mobile or something you like
CLICK ON “CONNECT” option…………………