BlackBerry smartphone Address Book displays a single contact duplicated several times after a software upgrade

Article ID: KB24701

Type: Support Content

Last Modified: 05-31-2012


Product(s) Affected:

  • BlackBerry Bold 9650
  • BlackBerry Curve 8500 Series
  • BlackBerry Storm2 9550
  • BlackBerry Messenger for BlackBerry OS 7 and earlier
  • BlackBerry® Bold™ 9650 smartphone
  • BlackBerry® Storm™ 9550 smartphone
  • BlackBerry® Curve™ 8530 smartphone
  • BlackBerry® Device Software to
  • BlackBerry® 6
  • BlackBerry® Messenger for BlackBerry® smartphones 
  • DT 980101

In certain scenarios after upgrading to BlackBerry® Device Software 5.0 or BlackBerry® 6, the Address Book application does not open or one contact may appear duplicated several times. In some situations, the following error may be displayed upon startup of the BlackBerry® smartphone or when launching BlackBerry® Messenger:

Uncaught exception: java.lang.NullPointerException


For BlackBerry smartphones running BlackBerry Device Software 5.0, please upgrade to BlackBerry Device Software or higher.

For BlackBerry smartphones running BlackBerry 6, please upgrade to BlackBerry or higher.

For information on how to to upgrade to the most recent version of BlackBerry Device Software Software, please see KB03901.


In the event a software upgrade is not available, please perform a factory reset on the BlackBerry smartphone using the following steps:

  1. Back up the smartphone.
  2. Reset the smartphone to factory settings using the loader.exe tool. For instructions, see KB18998.
  3. Perform a selective restore of the backup file. Do not restore the Address Book database.
  4. Synchronize the Address Book application with the BlackBerry Desktop Manager.


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