If you have a BlackBerry its probably because you want to BBM your friends. RIM is working on a much better BBM version. Like always first private release has leaked and here it is for you.
I took those links from the Internet.
THIS IS BETA SOFTWARE, INSTALL AT YOUR OWN RISK. I WILL NOT BE RESPONSIBLE FOR ANYTHING LOST. MAKE SURE TO BACK UP YOUR PHONE FIRST.
OTA for 4.5
IT JUST CAME TO MY ATTENTION IF YOU ARE RUNNING 83XX/81XX WITH OS LOWER THEN 184.108.40.206 IT WON’T WORK. HAVEN’T HAD ANY OTHER DEVICES TESTED LIKE 88XX
OTA for 4.6
OTA for 4.6.1
OTA for 4.7
OTA for 4.7.1
THE 4.7.1 OTA WILL WORK ON 8900/9000 OS 5.0