To get you usage stats on your prepaid sim without removing the sim from the PC card:
1. Connect to the network
2. Check on Control Panel/Phone and modems what com port the wireless 3g modem is using (I used the 3g modem and not the HSDPA modem and it worked).
3. Open windows hyper terminal. Start/Programs/Accessproes/Communications/Hyper terminal
4. Name your new connection. Use the drop down box to get the com port identified in 2. Make sure the bits per second are set at 115200 and leave everything else on default.
5. Go File/Properties. Press the ASCI button and select "echo local". This is to be able to see the commands you are typing.
6. Type command ati5 You should get a response with AC 850 information.
7. Issue the following command AT+CUSD=1,"*550#",15 and you should get your usage stats.(Airtel Srilanka)



1. Connect to the network
2. Check on Control Panel/Phone and modems what com port the wireless 3g modem is using (I used the 3g modem and not the HSDPA modem and it worked).
3. Open windows hyper terminal. Start/Programs/Accessproes/Communications/Hyper terminal
4. Name your new connection. Use the drop down box to get the com port identified in 2. Make sure the bits per second are set at 115200 and leave everything else on default.
5. Go File/Properties. Press the ASCI button and select "echo local". This is to be able to see the commands you are typing.
6. Type command ati5 You should get a response with AC 850 information.
7. Issue the following command AT+CUSD=1,"*550#",15 and you should get your usage stats.(Airtel Srilanka)







