Okay, I have a blackberry and I've had a few battery issues...battery with red line through it...battery with lightening bolt and not charging - I searched the forums and did the battery pulls, battery pull while charging and nothing worked - My stepdaughter's boyfriend who is 17 years old, took out my battery and held it in his hand and shook it for a minute and voila, my battery came back to life...just though I'd share!