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keith



Joined: 25 Feb 2014
Posts: 252
Location: Sydney

PostPosted: Fri Oct 13, 2017 3:38    Post subject: SM3255P AB 1x2
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(#2036)

Require Layout

Uploading dumps
IMG_2576.JPG
IMG_2575.JPG

Chip.txt
 Description:

Download
 Filename:  Chip.txt
 Filesize:  900 Bytes
 Downloaded:  9 Time(s)

Сергей



Joined: 26 Aug 2005
Posts: 15610

Flash-Extractor developer

PostPosted: Fri Oct 13, 2017 7:11    Post subject:
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Say when ready
keith



Joined: 25 Feb 2014
Posts: 252
Location: Sydney

PostPosted: Fri Oct 13, 2017 8:55    Post subject:
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Upload complete
Сергей



Joined: 26 Aug 2005
Posts: 15610

Flash-Extractor developer

PostPosted: Mon Oct 16, 2017 0:15    Post subject:
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Try use Test Retry with layout
SM3254 1066 v3 Invert
keith



Joined: 25 Feb 2014
Posts: 252
Location: Sydney

PostPosted: Mon Oct 16, 2017 5:19    Post subject:
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Nice find, i missed this. Find lots o green now. Re-reading the chips.
keith



Joined: 25 Feb 2014
Posts: 252
Location: Sydney

PostPosted: Tue Oct 17, 2017 4:09    Post subject:
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I have re-read using ec d7 98 ca / 13. Correct layout looks more like SM3254 1066 v3 Xor 00f6 192 but still can't find mix

Still many bad bytes. ec d7 98 ca / 13 was the best result.

Are you able to build a mix with this result even for just RAW files?

I am uploading new dumps.
keith



Joined: 25 Feb 2014
Posts: 252
Location: Sydney

PostPosted: Tue Oct 17, 2017 4:38    Post subject:
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SM3254 1066 v3 Xor 0006 64 looks better.
keith



Joined: 25 Feb 2014
Posts: 252
Location: Sydney

PostPosted: Tue Oct 17, 2017 8:44    Post subject:
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Upload complete
keith



Joined: 25 Feb 2014
Posts: 252
Location: Sydney

PostPosted: Tue Oct 17, 2017 10:06    Post subject:
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ECC in the upload is corrected.

I Tried Model: http://www.flash-extractor.com/library/SM/EN2683/EN2683B%20BA__ec_d7_98_ca__1x2

with Layout: SM3254 1066 v3 Xor 0208_64. Extracted with external application. Some dir structure found but no working files.
Сергей



Joined: 26 Aug 2005
Posts: 15610

Flash-Extractor developer

PostPosted: Tue Oct 17, 2017 23:26    Post subject:
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Job.txt attached

While ECC map have red sectors, all files will be broken


Quote:
Still many bad bytes. ec d7 98 ca / 13 was the best result.

Can try make Test Retry on this new dump with option Combine = on
After it read second dump with different Retry Value
And make ECC_Combine

http://www.flash-extractor.com/manual/ecc/

Job.rar
 Description:

Download
 Filename:  Job.rar
 Filesize:  427 Bytes
 Downloaded:  2 Time(s)

keith



Joined: 25 Feb 2014
Posts: 252
Location: Sydney

PostPosted: Wed Oct 18, 2017 2:18    Post subject:
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Thanks for you help. the other retry options didn't really change the result. i guess we will just have to call it unrecoverable. The chip itself must have gone bad.
HaQue



Joined: 16 Feb 2013
Posts: 390
Location: Adelaide, Australia

PostPosted: Wed Oct 18, 2017 2:47    Post subject:
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http://www.flash-extractor.com/manual/problem_chips/
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