Early adopters of Windows Phone 8 hardware are complaining that it reboots at random, up to several times a day, and that they're not being offered any prospect of a quick fix.
The complaints relate specifically to the HTC 8X and, to a lesser extent, Nokia's Lumia 920, with Windows Phone 8 locking up or randomly rebooting on both devices for no discernible reason. Forum users on Microsoft.com and WPCentral have been gathering examples in an attempt to narrow down the problem, but with limited success.
Source: The Register. Read full article. (link)