Originally Posted by w1209
Just thought I'd post an update on my hard bricked phone:
Josh from Mobile Tech Videos got a chance to look at my phone today and according to him the eMMC chip is toast. He was unable to recover it using JTAG. Could it just have been a coincidence that several people hard bricked around the same time or did flashing have something to do with the eMMC chip becoming defective?
Will take my phone back to an ATT service center as soon as I get it back. I don't think I will have much of an issue getting a replacement
Right now, the general consensus is:
With the exception of I9100 leaks and kernels built from I9100 update4 sources, Samsung ICS kernels for Exynos4 devices have a SERIOUS bug that causes them to do permanent damage to the eMMC chip. This is most likely to occur when doing a major erase operation (such as a wipe in CWM, but a wipe/factory reset in stock 3e recovery is likely to be just as dangerous)
This includes kernels from:
All Epic 4G Touch ICS leaks
All GT-N7000 (International Note) ICS leaks
The UCLD3 I777 leak (probably all of the I777 ICS leaks)
Anything built from the Korean SHW-M250S/K/L bases - this is why there was just a rash of hardbricks with SiyahKernel 3.1rc6 - it was based off of the Korean M250L sources.
Right now the suspicion is that it is due to this:
Samsung attempted to fix it with:
but they only disabled TRIM and not ERASE (which are related)
Unfortunately there's no way to test this without risk of hardware damage... you can't declare something fixed unless you can reproduce the problem - but you can reproduce this problem once per device repair. So really only Samsung can declare it fixed - but then they'd have to actually interface with the development community.
*so much sig updating needed*
My Github profile - Some Android stuff, some AVR stuff
An excellent post on "noobs vs. developers"
A few opinions on kernel development "good practices"
Note: I have chosen not to use XDA's "friends" feature - I will reject all incoming "friend" requests.
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