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Bolo



Joined: 05 Dec 2017
Posts: 252
Location: 506F6C616E64

PostPosted: Mon Jul 22, 2019 17:51    Post subject: Platinet 32Gb microSD - 45 3c 98 b3, no layout
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Hello,

Need your help here...


  • Flash type : microSD
  • Flash chip name: Platinet 32Gb
  • Totall size: 32Gb
  • Banks: 1
  • ID of Bank: 45 3c 98 b3
  • Sector: 1024_4_106_8/1024_6_106_8
  • Controller: looks like PS2251 family
  • Xor: 5061FD


Cannot find layout

NOTES:
There are Custom Bad bytes
121, 380, 868, 1178, 1298, 2106, 3194, 3294, 4094, 4134, 4183, 4848, 5792, 5794, 6885, 6976, 8114, 9294, 9304, 9834, 9853, 9872, 10172, 11032, 11132, 11592, 11632, 11824, 11832, 12172, 12298, 12752, 12772, 13496, 14416, 14550, 14610, 14890, 15106, 15648, 16060, 16368, 16379, 16806, 17310, 17406, 17646


20, 175, 261, 576, 1138, 1244, 2523, 2872, 3020, 3520, 3762, 5662, 5999, 6052, 6259, 6312, 6742, 6821, 6972, 7632, 8006, 8132, 8255, 8648, 8692, 8812, 9060, 9194, 9214, 9707, 9872, 10168, 10222, 11252, 11302, 11864, 12190, 12432, 13570, 14059, 14130, 14680, 14752, 16228, 16448, 17988, 18276

Dump uploading

NOTES:
I was able to extract XOR for Data, SA and ECC with other tools - if you require this let me know but only for first part of dump. Looks like XOR is diffrent for second half of dump
1158.jpg
Bolo



Joined: 05 Dec 2017
Posts: 252
Location: 506F6C616E64

PostPosted: Tue Jul 23, 2019 13:42    Post subject:
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Done
Bolo



Joined: 05 Dec 2017
Posts: 252
Location: 506F6C616E64

PostPosted: Mon Aug 19, 2019 13:29    Post subject:
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Maybe got an update regarding this case ?
Сергей



Joined: 26 Aug 2005
Posts: 17536

Flash-Extractor developer

PostPosted: Tue Aug 20, 2019 0:36    Post subject:
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Layout
Unknown 1143 Xor 5061_256

Added to FE_847

Job.txt attached

I dont know how block numbers work
I can not understand how mix works
Because FAT tables stored as updates

LBA pattern can help

Bolo wrote:
Looks like XOR is diffrent for second half of dump

Same effect can give different software bad bytes in second half of dump

Job.rar
 Description:

Download
 Filename:  Job.rar
 Filesize:  567 Bytes
 Downloaded:  36 Time(s)

Bolo



Joined: 05 Dec 2017
Posts: 252
Location: 506F6C616E64

PostPosted: Tue Aug 20, 2019 13:56    Post subject:
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Quote:
Same effect can give different software bad bytes in second half of dump

Yes but in this case I checked and SA was still XORed when XOR for first part match.....


Thank you for layout

I will try to get donor for LBA but rather will be hard
Сергей



Joined: 26 Aug 2005
Posts: 17536

Flash-Extractor developer

PostPosted: Tue Aug 20, 2019 19:06    Post subject:
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Bolo wrote:
Yes but in this case I checked and SA was still XORed when XOR for first part match.....

If there is mix between two parts of dump
Then we do not need second SA
But this is just idea

First need understand mix scheme
arvika



Joined: 18 Nov 2009
Posts: 1713
Location: Poland

PostPosted: Fri Sep 06, 2019 15:43    Post subject:
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Bolo please write ID of config to 6th byte.
Bolo



Joined: 05 Dec 2017
Posts: 252
Location: 506F6C616E64

PostPosted: Fri Sep 06, 2019 15:53    Post subject:
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Even full 8 bytes Wink

45 3C 98 B3 76 71 0B 06
arvika



Joined: 18 Nov 2009
Posts: 1713
Location: Poland

PostPosted: Fri Sep 06, 2019 16:01    Post subject:
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Ok, so based on this http://flash-extractor.com/forum/viewtopic.php?t=10941 I think config for this ID is wrong. With NR config there is 192pages empty pages at each block.
arvika



Joined: 18 Nov 2009
Posts: 1713
Location: Poland

PostPosted: Sat Sep 07, 2019 17:29    Post subject:
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I asked Bolo to read dump with config I describe in separate topic. Than I cut BB in other software. I uploaded to container this dump with job.txt based on Block Pair and RAW scan. With this model we can get 3 good photos and many others with some damages, but result shows that solution is not so far.
I assembly data also with sector number and I get 52 good photos and many other broken, but not so bad.
LBN Marker: 1024,1025,1026
Marker 1027 - blocks with user data have value 00 or 10, if have other value usually data look as garbage, so it filter good data blocks from other.
Sector slow number after pair I use 0x8000.
You can look also for second sector SA part but looks it double first one.
Hope it help finish the model.
GreyDKang



Joined: 01 Apr 2010
Posts: 104
Location: Vladivostok

PostPosted: Sat Sep 07, 2019 22:30    Post subject:
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arvika wrote:

Marker 1027 - blocks with user data have value 00 or 10, if have other value usually data look as garbage
and 0x30
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