I had my phone reboot randomly three times today. Just sitting on my desk and I look over at it, and the att logo is there and then I need to enter my sim pin. Anyone else have this? Its been fine otherwise utill this.
I have a 820, but still posting here. I see very frequent random reboots after Amber/GDR-2 upgrade. Very annoying, because everytime it reboots, volume goes down to 13 as well.
I dont see any reason for the reboots... phone is pretty much idle, and reboots even if I switch off WiFi & mobile data.
Still happens to me even with 8.1 although less frequently. I have figured out it only happens at my work though, never anywhere else that I've noticed.