03-01-2013 06:45 AM
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Genrally those Display Pictures update over the server , it may take time to reflect those changes.
But you can try reinstalling BBM , which might help . If you're willing to do that then first do a backup of your BBM contacts , ( If you're using a version prior to BBM 7 then do a local backup )
KB20554 How to back up and restore the BlackBerry Messenger contact list
Then On your Homescreen Go to Options > Device Application Management > Locate and delete BlackBerry Messenger from there. After deleting do a Battery Pull Restart like this device POWERED ON remove the battery wait a min. then re-insert it back .
After reboot from your BlackBerry Browser browse to www.blackberry.com/bbm and the most recent available for your device .After reinstalling see if that helps