Here is page to get Blackberry® 8800/ 8820 and 8830 link to download : BlackBerry  Desktop Software v7.1. Any can do with this PC Suite application when connected on Windows 7/Vista and XP.

You can Reset the BlackBerry Desktop Software settings if you are find any error when you are connected your  BB 8800/ 8820 and 8830 to PC. If there is information present on the Blackberry® 8800/ 8820 and 8830 that is not present in the mail client and the synchronization filter is configured in such a way that the data should not synchronize it will first be added to the mail client. Sequential synchronizations the information will be removed from the   8800/ 8820 and 8830 if it does not pass the filter criteria.

Here is download link of Google Talk for Blackberry.  Chat, exchange and share voice and picture messages with friends, family and colleagues. this is Fast and reliable messaging, your Friends presence updates e.g. Available or Offline, in virtual real-time. The ability to customize your own status messages e.g. Back in 5 mins,  Your emoticons to express yourself. The ability to invite multiple users into one conversation. So the ability to personalize Google Talk with a buddy picture, use an image of yourself or display your favorite icon.

How to download are follow as :

1. Click this download Link : GOOGLE TALK FOR  BLACKBERRY

2. Save it to your PC

3. Sent the file to your BB and install it until finish

Here is tutorial setting your Blackberry® Pearl 8130/ Pearl 9105 as internet modem. The driver of the models suitable for the use of BlackBerry users to download. Please download here :

 Blackberry USB/Internet Modem Software. (Download Size:21 MB,English version)

After downloading the installation app, launch it. Although you won’t have to do anything too fancy to install tether you will need to approve a variety of system changes—the warnings look serious but that’s just because Windows Vista/7 is particularly aggressive about warning users.

If you have been download and installed on your PC you must setting on Windows XP and VISTA

  1. Select Start> Settings> Network Connections.
  2. Double-click the New Connection Wizard. New Connection Wizard will open.
  3. Click ..Read More

You must set up your modem connection settings before you can use your Blackberry® Pearl 8130/ Pearl 9105 device as a modem.

  1. Connect your Blackberry® Pearl 8130/ Pearl 9105 device to your computer.
  2. Open the USB Modem BlackBerry® software or desktop software.
  3. Click IP Modem.
  4. Click …Read More.

Click through the installation process, about halfway through a command prompt window will pop up and the installation process will prompt you to approve the installation of an unsigned driver. Approve it.