Extracting upgrade.msd firmware file

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eigma
Posts: 9
Joined: Sun Jul 19, 2020 2:48 am

Extracting upgrade.msd firmware file

Post by eigma »

I have made some progress in extracting upgrade.msd files. The following is from H-series T-NT14MAKUC v1220.0 which can be found on Samsung site dated May 29, 2020 (recent).

Code: Select all

SamyGO Firmware Decrypter

Firmware:  T-NT14MAKUC v1220.0

Identifier MSDU10, 10 sections:
Section  1: Offset 0x00000632-0x0E28E3A9, 237559160 bytes
Section  2: Offset 0x0E28E3AA-0x0E28E7A9, 1024 bytes
Section  3: Offset 0x0E28E7AA-0x0E80DC51, 5764264 bytes
Section  4: Offset 0x0E80DC52-0x0E80E051, 1024 bytes
Section  5: Offset 0x0E80E052-0x0EB70239, 3547624 bytes
Section  6: Offset 0x0EB7023A-0x0EBF02E1, 524456 bytes
Section  7: Offset 0x0EBF02E2-0x0EC70389, 524456 bytes
Section  8: Offset 0x0EC7038A-0x1717FC71, 139524328 bytes
Section  9: Offset 0x1717FC72-0x22450D19, 187502760 bytes
Section 10: Offset 0x22450D1A-0x22451119, 1024 bytes
Header end: Zero=0, TOC section:
Section  1: Offset 0x000000A2-0x00000631, 1424 bytes
Model Name: T-NT14MAKUC

Extracting...
       TOC: Extracted to toc.img
Section  1: Extracted to s1.img
Section  2: Unknown format, skipping
Section  3: Extracted to s3.img
Section  4: Unknown format, skipping
Section  5: Extracted to s5.img
Section  6: Extracted to s6.img
Section  7: Extracted to s7.img
Section  8: Extracted to s8.img
Section  9: Extracted to s9.img
Section 10: Unknown format, skipping
Done.

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s1.img:   Squashfs filesystem, little endian, version 4.0, 236116532 bytes, 5998 inodes, blocksize: 131072 bytes, created: Thu Jan  1 00:00:00 1970
s3.img:   Squashfs filesystem, little endian, version 4.0, 3556408 bytes, 771 inodes, blocksize: 131072 bytes, created: Thu Jan  1 00:00:00 1970
s5.img:   u-boot legacy uImage, linux-3.8.2-nvt, Linux/ARM, OS Kernel Image (Not compressed), 3546370 bytes, Tue Apr 25 08:46:21 2017, Load Address: 0x10A08000, Entry Point: 0x10A08000, Header CRC: 0xCA31BD8E, Data CRC: 0xC4B7AF5A
s6.img:   data  # unknown, no readable strings
s7.img:   data  # strings like "SERET", "A-SER2GDSN-2020-M0006", "freebsd/controller/ehci.c"
s8.img:   Squashfs filesystem, little endian, version 4.0, 137911157 bytes, 7381 inodes, blocksize: 131072 bytes, created: Thu Jan  1 00:00:00 1970
s9.img:   data  # VDFS
toc.img:  data  # discussed below
Full details in this F series thread: viewtopic.php?p=109353#p109353
UN40H5201 / T-N14M6AKUC-1111.1

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