I sent my 10year olds playbook back to Blackberry as would not charge through the USB port. Blackberry said faulty USB port due to excess pressure beiung applied and told beyond economical repair and tried to charge me in excess of £120 for a replacement. I got the tablet returned un repaired. Did some research and noticed the charging stand charges the playbook not through the USB but the three pins at the bottom of the Playbook. Recieved it yesterday and my daughters Playbook works again.