hopefully, one of these links has the OS available
8100 os - Google Search
it wont let me it says i have the latest version for my device do u know another way?
You should update your BB to version 4.5 first.
I have a problem, which is my blackberry pearl 8120 wont download bbm. My bb is v18.104.22.168. i dont mind which bbm im given i'll be happy with anything, also i have a t-mobile network so any help would be much appreciated.