Several months ago, my post on using the Blackberry 8800 wirelessly via a bluetooth modem was the first on the RIM Blackberry 8800 series of phones. With the tips in the post, you could easily get your RIM Blackberry 8800, 8820, or 8830 device working as a high-speed wireless modem for your laptop or even desktop computer. In fact the post quickly became one of the more popular posts on my blog, and the number of people that visit the post each day is in the 100's.
Recently, Matt Silverman let me know about his post in which he was able to use his Blackberry 8800 series phone as a tethered USB modem. Since I just got my new Lenovo (no IBM label interestingly) T61 laptop computer, I thought I would give it a try since I had not yet setup Bluetooth.
Matt's guide was pretty good and with a few tweaks, I was able to get my Blackberry 8800 to work. I've combined his steps and my guide here to make it as straight-forward and easy for your setup your Blackberry as the tethered USB modem.
Here are a couple of reasons why you might prefer a USB tethered solution to the Bluetooth wireless solution:
1. You laptop does not have Bluetooth setup or you are having problems configuring it.
2. You need to conserve battery usage on your Blackberry. The wireless mode consumes significantly more battery than the USB mode. If you need to use the modem for any length of time, the USB tethered modem option is preferred.
This guide should be compatible with the following Blackberry models: Blackberry 8800, Blackberry 8820, Blackberry 8830, Blackberry Pearl, Blackberry Curve. In addition to the Blackberry device installed, you will also need the Blackberry Desktop Manager software installed (I have 4.2.2.14 installed), and AT&T wireless with unlimited data. This may work with other cell phone providers such as T-Mobile or Verizon, but has not been tested. This guide was composed using Windows XP, so other operating systems may have slight differences.
Here is the step-by-step guide:
1. First you need to configure the "Standard Modem" that is installed with your Blackberry Desktop software. Do get to it quickly, right click on "My Computer" from the desktop and select "Manage Computer".
2. Click on "Device Manager" in the left hand pane.
3. Click on the plus (+) sign next to modems to expand them.
4. Right click on "Standard Modem" and select properties.
5. Go to the Advanced tab under Extra Settings and enter the following "Extra initialization commmands" without any leading spaces: AT+CGDCONT=1,"IP","wap.cingular"
6. Click "Ok" to save the settings.
7. Now start the "Create a new connection" wizard from Network connections by right clicking on "My Network Places" and selecting properties. In the left pane under "Network Taks" click on "Create a new connection."
8. Click on 'Next' from the 'Welcome to the New Connection Wizard' screen.

9. Select the 'Connect to the Internet' Radio button and click 'Next'.

10. Select the 'Set up my connection manually' radio button and click 'Next'.

11. Select 'Connect using a dial-up modem' radio button and click 'Next'.

12. Select the 'Modem - Standard Modem' as device and click 'Next'.

13. Name your connection as you desire. I choose 'Blackberry Tethered USB Modem' as my name and click 'Next'.

14. For the phone number, enter the follow string without the quotes "*99***1#" and click on 'Next'.

15. Select the connection's availability for 'Anyone's use' unless you have a reason to lock it down. Then click 'Next'.

16. Enter the username and password information. For 'User name' enter "ISP@CINGULARGPRS.COM" without the quotes, and for the 'Password' enter "CINGULAR1" without the quotes. Enter the password again to confirm and click on 'Next'.

17. Click on 'Finish' to complete the wizard.

18. While this configuration with very little advanced settings will work, you need to adjust a couple of the settings to optimize the connection speed. Go to the properties of your new connection by clicking the properties button. Select the modem that is being used via the USB tethered modem, and click on 'Configure'.

19. Now change the Maximum speed (bps) to 921600 from the default 115200 (EDGE can operate faster) and also select the checkboxes for 'Enable modem error control' and 'Enable modem compression' for the best results. Click on 'Ok' twice to complete.

Now you can connect your computer to the internet via the Blackberry USB tethered modem connection. To do so, make sure you Blackberry is connected via USB cable, and that the Blackberry Desktop Manager is running with you modem connected. Then connect to the AT&T/Cingular/Edge network and enjoy high-speed access!
Did this guide work for you? If so, please leave a comment and let me know!
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