By default when you have a Blackberry device configured for wireless synchronization (BES or BIS), it synchronizes whole contacts/address book entries to your email service provider which can be corporate Exchange mail or other personal email providers.
How to Fix Calendar Sync issue in Samsung Galaxy Tablet with Exchange 2007You can’t restore only contacts through desktop manager to a device which is set to sync through wireless (BES or BIS).
Select the wireless sync service book (mostly its called ‘Desktop’).
Remove the tick to disable wireless sync for contacts and save the changes.3) Connect back the device to computer.
Instead, the update resulted in crashes or drastically reduced battery life.
Blackberry maker Research in Motion (RIM) said in a statement the update was not authorised, developed, or tested by RIM.
By any chance if you need to restore only address book contacts to your blackberry device from previous backup files or different device through Blackberry Desktop Manager, then this quick tip will be helpful.
It adds that "independent sources have concluded that the Etisalat update is not designed to improve performance of your Black Berry Handheld, but rather to send received messages back to a central server".This needs to be enabled in the device TLS Settings.Change the setting to permit insecure negotiation by completing these steps: From the Home Screen of the Black Berry smartphone select Option From the Options menu select Security Next, select Advanced Security Settings Select TLS By the box labelled Permit Insecure Renegotiation.If you do not have Black Berry Desktop Manager and Black Berry Device software installed on your computer then you can download it from HERE.Once downloaded, remember to install first the Black Berry Desktop Manager and then Blackberry Device software.