Blackberry messenger:

Having problems with New BBM after installed? Some person lost their contacts from BBM after installed. Here are a few tips. Try a battery pull chances are you may get back you contact (not garantte) You can also goto mobile.blackberry.com and redownload it. If you are stilling experience difficulties you are required to reinsatalled OS. Ensure you have the Blackbery Desktop Manager and the OS (version/required for BB using) go to Application loader (add/remove) you will also see advance click on same you will see apps that you want to reinstalled or delete.