That thread says its the W8Phone OS, not the hardware.

Regardless what phone, HTC or Nokia, it's a W8P issue, apparently...

http://answers.microsoft.com/en-us/winphone/forum/wp8-wpupdate/8x-reboots/fe9b8cb5-b4cd-4aea-bcaa-672c5cbb5d1c

crap

EDIT: If you have Skype installed, uninstall, clear IE history, and soft reset. This is a fix for some...

http://answers.microsoft.com/en-us/winphone/forum/wp8-wpupdate/8x-reboots/fe9b8cb5-b4cd-4aea-bcaa-672c5cbb5d1c?page=10