Support Bricked (won't turn on at all cost) phone

view full story

http://androidforums.com – I rooted my thunderbolt and I just decided to plug the usb (connected to the computer) into the phone and it just started lagging randomly. It got to the point where it was unresponsive so I just decided to pull the battery out. Then I put the battery back in, and the phone wouldn't turn on. I tried power button and volume down button to get into the hboot menu but still wouldn't turn on. I have tried taking out the battery, sim card, and sd card for 10 min and put it back in...still wouldn't turn on. I have tried putting my stock battery in (bc I'm using the extended battery), but still di (General)