Originally Posted by fatso485
1. so is there a way to dump the OS to the PC and restore it on another device (i dentical hardware ofcourse)
Nope. Finch meant that OS updates must be initiated from a PC. You can't "retrieve" an OS from a device.
If the device has 4.2 it's definitely beta and there's no telling what issues are due to bugs and what issues aren't... Only a few of us have really even worked with the 4.2 beta.