WiFi is not working All of Tablet PCs have been inspected by Ankaka QC team before shipment. However if you still can not make it work well, please check out the following: a. Check if there is any metal that may block the wifi signal. b. Please try the several signal models of your wireless router one by one. c. Check if the password of wireless connection is correct. Can I use this as a MP3 or MP4 Player? A. Yes,of course.