You can't unless you have the xorpads from the nand as well as the dumped bootrom. Even if you have those I'm not personally aware of the process but I know it can be done if you have everything. There is more than likely some CMD program that can do this, or a private program somewhere. This isn't the first time this has been asked.....
I'm not 100% sure if the otp is enough to decrypt the file without the xorpads, in theory it should be but someone with more experience in 3DS assembly would be able to give you a better detailed explanation; or possibly a working solution. I just know, that if you have the necessary files it CAN be decrypted on the PC and explored, I'm just not sure exactly HOW...
xorpads are just junk files generated using keys, they are not needed if you have the keys.
with an otp+bootrom dump you can generate the nand keys and decrypt it with openssl, there is a bash script on yellow8's github to do this (google: yellows8/boot9_tools).
I have the backup but no the 3ds
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I can extract the files I want with it?
Was about to suggest that. I never used it myself but it should do exactly what OP wants.
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ZeroT21:
only ps5 updated to latest firmware can go on psn, jailbroken ones just don't use psn or they risk getting flagged or banned, altho spouting profanity in online play alredy does that -
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Y @ YuseiFD:Then how come you do it and don't get banned ? or is it a question of getting caught doing it ?
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BakerMan:
wtf is the point of banning swearing in games? that's utterly a dumb decision
the new generation playing MWII won't be as hardened as the previous one playing original MW2 -
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Veho:
What's the point of video games? Kids playing video games won't be as hardened as the previous ones getting shoved down a hillside.+2 -
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BakerMan:
kids, yall are fucking pussies, grow some asshair before you even dare touch My Friend Peppa Pig or Mario's Early Years+1
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rolling?