Hacking RELEASE Firmware Version Inspector - get FW version from NAND dump

shchmue

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Python and command line can be difficult for unfamiliar users, so if possible, I would recommend the wonderful NxNandManager tool, which among other things can list the firmware version of a NAND backup.


Have more than one NAND dump? Forgot to rename or label them?
Good news! Now you can quickly find out what firmware version a given backup contains.

Download:
Firmware Version Inspector - by shchmue on Github

Usage:
Install Python 3 and pycryptodome. In command prompt, type:
Code: 
pip install pycryptodome

If this is an encrypted backup like Hekate makes (ie. you haven't dumped a decrypted System partition via HacDiskMount), you need to provide your console-specific BIS key 2. Dump this using biskeydump (https://gbatemp.net/threads/biskeyd...c-decryption-real-time-mounting-tools.502434/)

Then run from command line:
Code: 
python FVI.py [-b=/path/to/biskeyfile] <dumpfile>

 biskeyfile must contain the following lines:
   BIS Key 2 (crypt): <32-digit hex key>
   BIS Key 2 (tweak): <32-digit hex key>
  omit -b if System partition already decrypted (eg. dumped with HacDiskMount)

 dumpfile must be NAND dump (eg. Hekate rawnand.bin dump) or System partition

Run examples:
FVI2.png


FVI1.png


I tested this on Windows 10 with Anaconda Python 3.6.5 and Ubuntu 16.04 LTS with Python 3.5.2. I hope you find it useful :)
 
Last edited by shchmue, , Reason: nxnandmanager plug
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Canna

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This is a great handy little tool and hopefully not to complicated to those who have no idea how to use py
will be using this thanks
 
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shchmue

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Canna said:
This is a great handy little tool and hopefully not to complicated to those who have no idea how to use py
will be using this thanks
Click to expand...
yeah I'll add a troubleshooting section if any common command line errors manifest like they did all over the old ChoiDujour thread
 
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Canna

Canna

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Chick i had to use choidujour today to help another member omFG it was a remote connection anyway and his windows is set to french so you can imagine the output of errors i got fml
 
Last edited by Canna,
shchmue

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Last edited by shchmue,
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bundat

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shchmue said:
I'm curious what the story is on the one with 400 NCAs. did you use ChoiDujour more than once or something?
Click to expand...

No, never used ChoiDujour. This 5.1 update was done in OFW on an unhacked 4.1 Switch (well... unhacked except for running Hekate to get the 4.1 backup). As soon as the 5.1 update was completed, I stuck in an RCM jig on reboot to prevent burning fuses, and made the 5.1 backup.

So this is just basically an unhacked 5.1 NAND dump.
 
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shchmue

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bundat said:
No, never used ChoiDujour. This 5.1 update was done in OFW on an unhacked 4.1 Switch (well... unhacked except for running Hekate to get the 4.1 backup). As soon as the 5.1 update was completed, I stuck in an RCM jig on reboot to prevent burning fuses, and made the 5.1 backup.

So this is just basically an unhacked 5.1 NAND dump.
Click to expand...
oh! I wonder whether doing that kept it from deleting the old files or something. or maybe CD deletes them but a typical update doesn't at all.
 
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C:\1>python FVI.py -b=/c/1/biskeyfile.txt /c/1/system
File "FVI.py", line 7
<!DOCTYPE html>
^
SyntaxError: invalid syntax

--------------------- MERGED ---------------------------

Windows 10
 
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finally got this to run (my syntax understanding is awful), but now I get the error /contents/ not found.

This is a dump from I believe 5.0, but I wanted to check before I restore.

Any thoughts?

Thanks in advance for the help.
 
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