I understand that your Thunderbolt has been rebooting ever since you downloaded the most recent update. Scott, we are aware of this issue and our engineers are working on this issue to get it resolved as soon as possible. We appreciate your patience with us as we resolve this and apologize Scott, for any inconvenience this may cause for you. To send a reply to this message or let me know I have successfully answered your question log in to our ContactUs site using your email address and your ticket number . Sincerely, Terri HTC