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The "Sudden Death" issue is caused by firmware on the (16 GB) VTU00M, revision 0xf1 eMMC (Embedded MultiMedia Card or internal memory if you like). Samsungs Kernel Source Code (Update 7) has been identified as the fix. There is still no evidence that the latest sboot bootloader addresses this issue.
I got it from the first post in the thread. Don't know why you are not aware of this so called update 7 if you are following this thread.. Anyway I think I read some post in the same thread that update 7 is where FwRev = 0xf7 and mine is that FwRev after getting back from service center is that.. Just sharing..
Anyway the 4.1.2 will be outhere soon so, just in case you got your device from service center recently and if you have that FwRev, you will be save though you have not update to the latest 4.1.2
Cheers