I recently rooted my phone (flashed Harmonia), however I've been having this issue since before the root. I've tried all the basic fixes (reboot, pull battery, update prl, update profile) but nothing has been working. From what I have read it could possibly be my MAC address (which I don't know how to gain access to). I would take it in but my warranty is void, and the people at my radioshack are completely useless. Any advice is appreciated. Thanks!!!!