There are several causes of Blackberry or BB to be slow and often hangs. One contributing factor is that too many junk files (cache) that is stored in the memory of our blackberry. File waste occurred because some of the following:
1. Messenger or Conversation is not closed (BBM, Yahoo Messenger, Google Talk, etc.)
2. Memory and memory event log that is rarely deleted browser history.
3. Heavy applications or applications that are opened simultaneously.
To clean up junk files there are some fairly effective way to overcome that Blackberry is slow and often hangs.
1. Cleaning the cache,
phases:
