My blackberry curve 8900 has be running slow lately and has started to lag or freeze. I will notice it freezing when I receive or send a text as it takes a min or two to open/send. Any suggestions to get the texts running normally again? I have done the battery pull and haven't seen any improvement. Also, I have never "updated" the software for my curve, I know there is a 5.0 for this 8900 on the Blackberry site, should I do that update and what changes come with it? Thanks guys.