Have you been thinking of using your blackberry Device smatphone as a Modem on your laptop! Here are the Easy Steps to follow and Save cash to spend on buying Modems


To set up a tethered modem in BlackBerry Desktop
Manager 4.1 to 5.0, complete the following tasks:
1. Install BlackBerry Desktop Software 4.1 to 5.0 (one time only).
2. Set up the internet access point name (APN) (one time only).
3. Configure Dial-
up Networking (DUN) (one time only).
4. Connect to the internet using DUN.
To set up a tethered modem in BlackBerry Desktop Software 6.0 -
7.1, please follow KB24629. It is recommended
that a BlackBerry smartphone user installs
the latest version of the BlackBerry Desktop
Software version located
at http://www.blackberry.com/desktop.
Note: An Internet Protocol (IP) Modem Connection
Manager is included starting with BlackBerry®
Desktop Software 5.0.1 which is designed to
configure the BlackBerry smartphone as a tethered
modem. For more information regarding the IP
Modem Connection Manager, see the Additional
Information section of this article.
Task 1
If the BlackBerry CD or install file is available for
Desktop Manager 5.0 and its required to use the
older version, follow the below steps:
Install BlackBerry Desktop Software 4.1 to 5.0 on
the computer.
Note: Ensure that When BlackBerry Desktop
Software is installed, the drivers that allow the
BlackBerry smartphone to communicate through
the USB port, virtual communications port and the
standard modem used by Dial-up Networking (DUN)
are installed.
Task 2
To set up an Internet access point name (APN) - for
GSM devices only - complete the following steps:
1. On the computer, click Start > Control Panel.
2. Double-click Phone and Modem Options.
3. In the Phone and Modem Options window, click the
Modems tab.
4. Select Standard Modem and click Properties.
5. Click Change Settings.
6. In the Standard Modem Properties window, click
the Advanced tab.
7. In the Extra initialization commands field, type
the following:
+cgdcont=1,"IP","<Device Internet APN>"
Note: The following is applicable for T-Mobile®
customers only:
The extra initialization command is: at
+cgdcont=1,"IP","wap.voicestream.com"
Note: If the Internet APN is unknown, contact the
wireless service provider.
8. Click OK.
9. In the Phone and Modem Options window, click OK.
Task 3
To configure DUN, complete the following steps for
the appropriate operating system.
Windows 7
1. Click the Windows icon.
2. In the search bar, type Set up Connection or
Network.
3. Click Set up a dial-up connection.
4. Perform the appropriate step from the following
list:
If the BlackBerry smartphone operates on General
Packet Radio Service (GPRS) or Enhanced Data
Rates for Global Evolution (EDGE) networks, type
*99# in the Dial-Up Phone number field, and
click Next.
If the BlackBerry smartphone operates on
Universal Mobile Telecommunications System
(UMTS) networks, type *98# in the Dial-Up Phone
number field, and click Next.
If the BlackBerry smartphone operates on Code
Division Multiple Access (CDMA) or 1x/Evolution
Data Optimized (EVDO) networks, type #777 in the
Dial-Up Phone number field, and click Next.
5. Type the User name and Password provided by
the wireless service provider. If the wireless
service provider has confirmed that this information
is not required, leave the fields blank.
6. In the Connection Name field type BlackBerry.
7. Click Dialing Rules.
8. Make sure the profile created in Task 2 has been
selected (if applicable), and then click OK.
9. Select Connect to establish an Internet connection.
Windows® Vista™
1. Click Start.
2. Select Connect To.
3. Click Set up a connection or network.
4. Click Set up a dial-up connection.
5. Perform the appropriate step from the following
list:
If the BlackBerry smartphone operates on General
Packet Radio Service (GPRS) or Enhanced Data
Rates for Global Evolution (EDGE) networks, type
*99# in the Phone number field, and click Next.
If the BlackBerry smartphone operates on
Universal Mobile Telecommunications System
(UMTS) networks, type *98# in the Phone
number field, and click Next.
If the BlackBerry smartphone operates on Code
Division Multiple Access (CDMA) or 1x/Evolution
Data Optimized (EVDO) networks, type #777 in the
Phone number field, and click Next.
6. Type the User name and Password provided by
the wireless service provider. If the wireless
service provider has confirmed that this information
is not required, leave the fields blank.
7. In the Connection Name field type BlackBerry.
8. Click Dialing Rules.
9. Make sure the profile created in Task 2 has been
selected (if applicable), and then click OK.
10. Select Connect to establish an Internet connection.
Windows® XP
1. Click Start > Control Panel > Network
Connections.
2. Click Create a New Connection. The New
Connection Wizard opens.
3. Click Next.
4. Select the Connect to the Internet option, and
then click Next.
5. Select Set up my connection manually, and then
click Next.
6. Select Connect using a dial-up modem, and then
click Next.
7. In the Select a Device screen, select the Modem -
Standard Modem check box, and then click Next.
8. In the ISP Name field, type a name for the desired
connection, and then click Next.
9. Perform the appropriate step from the following
list:
If the BlackBerry smartphone operates on General
Packet Radio Service (GPRS) or Enhanced Data
Rates for Global Evolution (EDGE) networks, type
*99# in the Phone number field, and click Next.
If the BlackBerry smartphone operates on
Universal Mobile Telecommunications System
(UMTS) networks, type *98# in the Phone
number field, and click Next.
If the BlackBerry smartphone operates on Code
Division Multiple Access (CDMA) or 1x/Evolution
Data Optimized (EVDO) networks, type #777 in the
Phone number field, and click Next.
10. Indicate which computer account users will have
access to the connection, and then click Next.
11. Type the User name and Password provided by
the wireless service provider. If the wireless
service provider has confirmed that this information
is not required, leave the fields blank. Click Next.
12. Click Finish.
13. In the Connect window, click Properties.
14. In the Properties window, verify that Modem -
Standard Modem appears beneath the Connect
using heading, and then click Configure.
15. In the Modem Configuration window, clear the
Enable hardware flow control check box and
make sure that none of the other check boxes are
selected.
16. Click OK.
17. In the Properties window, click OK.
Windows 2000
1. Click Start > Control Panel.
2. Double-click Network and Dial-up Connections.
Note: The following is applicable for T-Mobile®
customers only:
Under the networking tab in the properties window
for the dial-up connection, clear the Enable LCP
Extensions check box, as well as all check boxes
beneath the PPP Settings window.
3. Double-click Make New Connection. The Network
Connection Wizard opens.
4. Click Next.
5. Choose Dial-up to private network, and then
click Next.
6. Perform the appropriate step from the following
list:
If the BlackBerry smartphone operates on General
Packet Radio Service (GPRS) or Enhanced Data
Rates for Global Evolution (EDGE) networks, type
*99# in the Phone number field, and click Next.
If the BlackBerry smartphone operates on
Universal Mobile Telecommunications System
(UMTS) networks, type *98# in the Phone
number field, and click Next.
If the BlackBerry smartphone operates on Code
Division Multiple Access (CDMA) or 1x/Evolution
Data Optimized (EVDO) networks, type #777 in the
Phone number field, and click Next.
7. Indicate which computer account users will have
access to the connection, and then click Next.
8. Type a name for the connection, and then click
Finish.
9. In the Connect window, click Properties.
10. In the Properties window, verify that Modem -
Standard Modem is selected, and then click
Configure.
11. In the Modem Configuration window, clear the
Enable hardware flow control check box and
make sure that none of the other check boxes are
selected.
12. Click OK.
13. In the Properties window, click OK.
Task 4
Connect to the Internet using DUN.
Note: During this procedure, do not operate the
browser or any third-party applications on the
BlackBerry smartphone. An active data session
might interfere with the modem connection. Also,
make sure that an Ethernet connection is not active
at the same time.
To connect to the Internet using DUN, complete the
following steps:
1. Connect the BlackBerry smartphone to the
computer.
2. Open the BlackBerry Desktop Manager, and verify
that the BlackBerry Desktop Manager displays
Connected. The BlackBerry smartphone must be
identified by BlackBerry Desktop Manager in order
for the modem to establish a connection.
3. Click Start > Control Panel > Network
Connections > <name of the new connection>.
4. If the wireless service provider requires a
Username and Password to make this connection,
enter this information in the fields provided.
Otherwise, leave the fields blank.
5. Click Dial.
Important: The BlackBerry Desktop Software
must be running for the tethered modem to
function.
Note: If Microsoft® Outlook® is operating in
Cached Exchange mode, a message may appear
indicating that BlackBerry Desktop Manager cannot
contact the messaging server. If this message
appears, click Cancel to proceed.
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Additional Information
The IP Modem option in BlackBerry Desktop
Software is designed to permit the BlackBerry
smartphone user to use the BlackBerry smartphone
as a tethered modem and minimize the
configuration steps. This is possible through the
inclusion of a modem script during software
installation, which provides and auto-populates
relevant configuration information to the IP Modem
Connection Manager.
To configure the BlackBerry Desktop Software
5.0.1 to use the BlackBerry smartphone as a
tethered modem, complete the following steps:
1. In the main menu of the BlackBerry Desktop
Manager, click IP Modem.
2. During the initial BlackBerry smartphone
connection, complete the configuration step by
clicking the Configure button.
3. Select the Set-Up Connection option from the
Connection profile drop-down list.
4. Select the appropriate wireless service provider or
select Add customer profile for custom
settings.
5. Select OK.
6. Click Connect.
To configure the BlackBerry Desktop Software 6.1
to use the BlackBerry smartphone as a tethered
modem, complete the following steps:
1. In the main menu of the BlackBerry Desktop
Manager, click Mobile Internet.
2. Click Configure connection ... to setup the
tethered modem options
3. Select the appropriate wireless service provider
from the profiles drop down or select Add for
custom settings.
4. Select OK.
5. Click Connect.

Or you can follow this link

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