Hacking Downgrading emuNAND from 11.0 to 2.1 for A9LH failed!!!

DerEineee

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So I am right know in process to setup A9LH on my old3DS and now I want to downgrade my 11.0 emuNAND to 2.1, but everytime I try to downgrade it fails and says :

fs.cpp:117: Result: 0xD8E0806A
Failed to write to file!
Did you store the update files in '/updates'?

Yes I stored the files in the updates folder...
One thing I noticed is that the checksum from the downloaded zip file "2.1.0E(Full).zip" doesn't match the checksum from the Plailect guid... But I used the link in this guid!
Is this maybe the error? Where can I get the right 2.1.0E(Full).zip?

I really need help :(

Thanks for reading my problem!
 

Davidosky99

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So I am right know in process to setup A9LH on my old3DS and now I want to downgrade my 11.0 emuNAND to 2.1, but everytime I try to downgrade it fails and says :

fs.cpp:117: Result: 0xD8E0806A
Failed to write to file!
Did you store the update files in '/updates'?

Yes I stored the files in the updates folder...
One thing I noticed is that the checksum from the downloaded zip file "2.1.0E(Full).zip" doesn't match the checksum from the Plailect guid... But I used the link in this guid!
Is this maybe the error? Where can I get the right 2.1.0E(Full).zip?

I really need help :(

Thanks for reading my problem!
you must redownload the files if the checksum doesn't match and delete the previous one
also, what cfw are you using right now?
 

zoogie

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5736EC8D40303B549F11C06B3811817531E17646A91EE2BB0D94AFFF69CF3A4E

is the correct sha256 and it matches what I've downloaded.
 

DerEineee

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redownload the files deleting the old ones

The checksum still not match >.<
....

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

5736EC8D40303B549F11C06B3811817531E17646A91EE2BB0D94AFFF69CF3A4E

is the correct sha256 and it matches what I've downloaded.

Never mind xD This was my fault. I compared the md5 checksum ^^
But this doesn't help me pretty much, because the downgrade still fails again and again... :/
 

zoogie

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Try using devmenu_2x.cia (do NOT use any other version!), I've had a lot of good luck with it. Go to the updates folder and import all cia's with L + R + A. Wait a good while for it to finish.
Then immediately, don't forget this, go to *0004013800000002.cia and select Start + Y to finish the native firm installation.

*It will be 0004013820000002.cia on new3ds.

DON'T FORGET to verify the downgraded emunand in OTPhelper before you go ahead and copy it to sysnand.
 
Last edited by zoogie,

KunoichiZ

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The checksum still not match >.<
....

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



Never mind xD This was my fault. I compared the md5 checksum ^^
But this doesn't help me pretty much, because the downgrade still fails again and again... :/
I'm going to ask what might be a dumb question but did you place the updates folder on the root of your SD card? Your error is saying it can't find the files because /updates means it needs to be on the root of your SD card.
 

DerEineee

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Yes I did...
Everything went fine until NATIV FIRM.
NATIV FIRM installed succesfully but after this this error appeared.
 

KunoichiZ

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Read steps 10-11 and then the Overview of steps at the top of Part 4.

Did you format your RedNAND/emuNAND twice?
 

DerEineee

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Try using devmenu_2x.cia (do NOT use any other version!), I've had a lot of good luck with it. Go to the updates folder and import all cia's with L + R + A. Wait a good while for it to finish.
Then immediately, don't forget this, go to *0004013800000002.cia and select Start + Y to finish the native firm installation.

*It will be 0004013820000002.cia on new3ds.

DON'T FORGET to verify the downgraded emunand in OTPhelper before you go ahead and copy it to sysnand.

It worked! Thank you a lot!
Of course a big thanks to everyone ^^

You're smart...! You're loyal...! I appreciate that!
 
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