Thank you for reaching out on our Business Community. You can try to do a Master Reset on the device to see if that resolves the issue. If not the device may be defective. Please feel free to send us a private message me by clicking here the following information, so I can further assist you.
Social Media Manager
*I am an AT&T employee, and the postings on this site are my own and don't necessarily represent AT&T's position, strategies or opinions.