Problem Using Sony ericsson S312 As a Modem

1. Call mobile service provider for internet setting(Wap & internet setting is not same) of the phone.

2. Download USB driver for S312 from Sony Ericsson site.

3.Install the Driver. Follow the instruction. Do not connect mobile with cable until prompt by installer.

4. After successfully installing the driver, check the phone modem.
    Right Click My Computer>Hardware>Device Manager>Modems.
    You will get Sony Ericsson Mobile Device modem

5. Right click Sony Ericsson Mobile Device, click Diagnostics Tab, then click query Modem
    Modem will response it status.

6. Then click Advance. Write below Extra Setting to Connect to internet.
     AT+cgdcont=1,"ip","APN"
     Where APN is the Access Point Name,you can get it from your service provider.

For Example->
For Docomo sim
AT+cgdcont=1,"ip","TATA.DOCOMO.INTERNET"

7. Click Okay.

8. Go Control Panel >Network Setting >Create New Connection

9. Create a new connection with *99# or *99***1# dialing number

10. Then connect the PC to the internet.