Hardware Would a N3DS nand dump be wise?

atkfromabove

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I am getting the US N3DS this Friday and wanted to know if hard wire dumping the NAND right when I get it would be beneficial? I am planning on updating to the 9.5 firmware for SKY3DS but want to have a backup of my original NAND in case later on down the road there is a exploit (GW) on the earlier firmware found.

Would I be able to downgrade and flash back the original NAND if this happens?

Also to save some time tracing the points myself is there a pinout image for the N3DS NAND?
 

atkfromabove

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GW does NOT work on the N3DS yet.

Ha I was wanting to save myself from buying the gateway preemptively just incase support takes a while since spending $90 on Sky was not cheap. I am comfortable doing a hardware dump for the NAND if possible for the N3DS.

Edit: To clarify I want to dump the NAND without the use of Gateway. I want to dump it with a hard wire install.
 

lukas_2511

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Guess it would be a good idea to back it up, but also wouldn't rush updating the n3ds afterwards, I don't think I've seen anything about successful nand restore on n3ds yet.
 

atkfromabove

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Guess it would be a good idea to back it up, but also wouldn't rush updating the n3ds afterwards, I don't think I've seen anything about successful nand restore on n3ds yet.


Is there any type of pinout image for the N3DS NAND? I tried searching for it but couldn't find anything for the N3DS just the regular 3DS.
 

mathieulh

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The NAND data is encrypted with a per 3ds key, you need to decrypt the nand (either stream its content or get its xorpad) before it becomes of any use, good luck doing that without running your own code on the device.
 

enarky

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The NAND data is encrypted with a per 3ds key, you need to decrypt the nand (either stream its content or get its xorpad) before it becomes of any use, good luck doing that without running your own code on the device.
We don't need unencrypted NAND. :) A neat side-effect of having access to the NAND chips is that you can write back your own backup anytime you want. With hw NAND access we've been switching between FW versions long before Gateway made downgrading possible.
 

atkfromabove

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Apache Thunder

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I wouldn't mess around with NAND dumps and what not until the missing pin is found for doing NAND mods. Currently if you brick your n3DS, you are completely ***ked, because the pin out for the missing solder point hasn't been found yet, so you can't even do a NAND mod yet. :(
 

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