Hacking Problem with restoring Nand

Madsmaten

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Hi guys!

I am helping a friend out with a Switch. However we have a little bit of difficulties restoring it's Nand.

I am trying to restore the Switch into a clean 5.1.0 Nand backup.

It has been running SX OS - Autorcm, with a ChoixDuJourNX installed firmware of: 8.0.1
No fuses are burned over 5.1.0 (just checked).

Here is the deal, I have the rawnand.bin file, I also have keys and a few other files such as "SYSTEM", "SAFE", "PRODINFO" and "PRODINFOF".
However I don't have the boot0 and boot1 files.

Is there anything I can do to restore the Switch back to it's original state?
 
Last edited by Madsmaten,

mattytrog

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Hi guys!

I am helping a friend out with a Switch. However we have a little bit of difficulties restoring it's Nand.

I am trying to restore the Switch into a clean 5.1.0 Nand backup.

It has been running SX OS - Autorcm, with a ChoixDuJourNX installed firmware of: 8.0.1
No fuses are burned over 5.1.0 (just checked).

Here is the deal, I have the rawnand.bin file, I also have keys and a few other files such as "SYSTEM", "SAFE", "PRODINFO" and "PRODINFOF".
However I don't have the boot0 and boot1 files.

Is there anything I can do to restore the Switch back to it's original state?
May I ask why a clean 5.1.0?

As soon as you connect, it will update.

I`d go back to 8.0.1 and choiNX down to 5.1.0 ticking the system initialise - full factory reset option.

This will give you a clean emmc.
 
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NoNAND

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I believe you would need the BOOT 0/1 of the original NAND backup in order to achieve a proper system restore.
There ought to be blank boot 0/1 sample files somewhere in the homebrew section.
If you're sure that your current number of fuses aren't burnt and are eligible for booting a 5.1.0 OFW you should consider rebuilding your NAND with ChoiPC and upgrade to 6.0 if you can't get your backup to restore in the end.
 
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Madsmaten

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May I ask why a clean 5.1.0?

As soon as you connect, it will update.

I`d go back to 8.0.1 and choiNX down to 5.1.0 ticking the system initialise - full factory reset option.

This will give you a clean emmc.

This Switch is going to be restored and used without CFW.
It would not stay on 5.1.0 for long.

So I should downgrade it to 5.1.0, factory reset it, and the backup the boot files?
Afterwards uninstall autorcm and then restore the rawnand, and boot0 + boot1?
 

mattytrog

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This Switch is going to be restored and used without CFW.
It would not stay on 5.1.0 for long.

So I should downgrade it to 5.1.0, factory reset it, and the backup the boot files?
Afterwards uninstall autorcm and then restore the rawnand, and boot0 + boot1?

Just grab 8.1.0 firmware from the site that cant be mentioned(hint - umbrella) and choiNX to that firmware.

You cannot restore same version with choiNX. Thats why I say 8.1.0.
 

Madsmaten

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Just grab 8.1.0 firmware from the site that cant be mentioned(hint - umbrella) and choiNX to that firmware.

You cannot restore same version with choiNX. Thats why I say 8.1.0.

I apologise, but I don't understand :D

Why would upgrading to 8.1.0 with choiNX help me restore my boot files?

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

I believe you would need the BOOT 0/1 of the original NAND backup in order to achieve a proper system restore.
There ought to be blank boot 0/1 sample files somewhere in the homebrew section.
If you're sure that your current number of fuses aren't burnt and are eligible for booting a 5.1.0 OFW you should consider rebuilding your NAND with ChoiPC and upgrade to 6.0 if you can't get your backup to restore in the end.

Fuses burnt: 6 = either a 5.0.2 or 5.1.0 firmware.
 
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Madsmaten

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Alrighty then, if your fuse count matches your current CFW there's no need to update, simply fix your NAND with Choi.
Not sure I know how to do this?
I thought that the only sure way to get back online, would be a "clean" nand restore.
 

mattytrog

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I apologise, but I don't understand :D

Why would upgrading to 8.1.0 with choiNX help me restore my boot files?

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



Fuses burnt: 6 = either a 5.0.2 or 5.1.0 firmware.
because you already have 8.0.1 on there. you havent restored yet have you?

Hidden on my git, there are blank files.
 

Madsmaten

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because you already have 8.0.1 on there. you haven't restored yet have you?

Hidden on my git, there are blank files.
No nothing has been restored.

I realized that I did not have the boot files, I would not go through with it without consulting you guys.

Does it matter whether it was 5.0.2 or 5.1.0 the backup was taken on?

So I will install 8.1.0 with ChoiNX.
And then restore boot files with the one from your Git?
+ the original rawnand?
 
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Lacius

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As far as I can tell they only goes from 6.20 and up.

Would this work: Uninstall autorcm, flash blank 8.0.1 boot files, restore original 5.0.2 nand? :)

Or do I need blank boot files for 5.0.2?
If you're on 5.1.0, you can just generate the BOOT files on your PC with ChoiDujour. Sorry, I wasn't paying close attention.
 

Madsmaten

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If you're on 5.1.0, you can just generate the BOOT files on your PC with ChoiDujour. Sorry, I wasn't paying close attention.
I have tried for two days to generate my 5.0.2 boot files :D
And I seriously don't get it. Have been following every guide I could fine, but I always hit a stop somewhere.
 
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