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Nintendo 3DS
Restore N3DS from FW 2.1 without NAND Backups
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<blockquote data-quote="d0k3" data-source="post: 6302585" data-attributes="member: 29073"><p>There are other tools to do that (Multi EmuNAND Creator, for example), and with a little bit of knowledge you can even use dd for that. Or a standard imaging tool.</p><p></p><p></p><p>Okay... we'll try it differently then, just one remark: Flashing a NAND backup via OTPHelper and flashing it via the hardmod is (almost) the same. OTPHelper only has some extra safety. If OTPHelper allowed you to flash it, you should have done everything right, while the hardmod (ofc) doesn't check any additional stuff.</p><p></p><p>Now, see this special build here:</p><p><a href="https://up1.ca/#rsWBQLswqYxG2QT3gw7j9Q" target="_blank">https://up1.ca/#rsWBQLswqYxG2QT3gw7j9Q</a></p><p></p><p>This one automates steps 6.) to 10.) in the same way a FW 2.1 EmuNAND is unbricked. Now, <strong>updates can go wrong</strong>. One first thing that you could try is to get the FIRM90.bin from somewhere (no help from me for that, but it is the same as is used in the a9lh installation process), pad that to 4MB, then inject it into your 9.x EmuNANDs FIRM0 & FIRM1 (after doing the other steps). For the FIRM90 SHA-256, see here: <a href="https://github.com/delebile/arm9loaderhax" target="_blank">https://github.com/delebile/arm9loaderhax</a></p><p></p><p>If it still does not work, I know, it would be a pain to do, but one way to make sure it did not go wrong would be to check the SHA-256s of all updated titles or compare them in a different way (WinMerge, maybe?) with the files from the update pack. <strong>A dumped CTRNAND can be mounted on PC via OSFmount</strong>.</p><p></p><p>Additional info: HxD can check SHA-256 and pad file to a specific length, and so can many other tools.</p><p></p><p>EDIT: Just to make sure, the order in which you should try this:</p><ol> <li data-xf-list-type="ol">Use the new 9.x unbricker instead of the manual method, test EmuNAND, flash to SysNAND</li> <li data-xf-list-type="ol">In addition to 1., inject the FIRM90.bin to FIRM0 & FIRM1, then try again</li> <li data-xf-list-type="ol">In addition to 2. and 1., check the files manually (I hope you don't have to do this)</li> </ol><p>EDIT2: Also make sure your update pack is the correct region.</p><p></p><p>EDIT3: ... and use OTPHelpers NAND validator to perform a basic check of your SysNAND / EmuNAND between steps.</p></blockquote><p></p>
[QUOTE="d0k3, post: 6302585, member: 29073"] There are other tools to do that (Multi EmuNAND Creator, for example), and with a little bit of knowledge you can even use dd for that. Or a standard imaging tool. Okay... we'll try it differently then, just one remark: Flashing a NAND backup via OTPHelper and flashing it via the hardmod is (almost) the same. OTPHelper only has some extra safety. If OTPHelper allowed you to flash it, you should have done everything right, while the hardmod (ofc) doesn't check any additional stuff. Now, see this special build here: [URL]https://up1.ca/#rsWBQLswqYxG2QT3gw7j9Q[/URL] This one automates steps 6.) to 10.) in the same way a FW 2.1 EmuNAND is unbricked. Now, [B]updates can go wrong[/B]. One first thing that you could try is to get the FIRM90.bin from somewhere (no help from me for that, but it is the same as is used in the a9lh installation process), pad that to 4MB, then inject it into your 9.x EmuNANDs FIRM0 & FIRM1 (after doing the other steps). For the FIRM90 SHA-256, see here: [URL]https://github.com/delebile/arm9loaderhax[/URL] If it still does not work, I know, it would be a pain to do, but one way to make sure it did not go wrong would be to check the SHA-256s of all updated titles or compare them in a different way (WinMerge, maybe?) with the files from the update pack. [B]A dumped CTRNAND can be mounted on PC via OSFmount[/B]. Additional info: HxD can check SHA-256 and pad file to a specific length, and so can many other tools. EDIT: Just to make sure, the order in which you should try this: [LIST=1] [*]Use the new 9.x unbricker instead of the manual method, test EmuNAND, flash to SysNAND [*]In addition to 1., inject the FIRM90.bin to FIRM0 & FIRM1, then try again [*]In addition to 2. and 1., check the files manually (I hope you don't have to do this) [/LIST] EDIT2: Also make sure your update pack is the correct region. EDIT3: ... and use OTPHelpers NAND validator to perform a basic check of your SysNAND / EmuNAND between steps. [/QUOTE]
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