Hacking Unbricked the 3DS, but i want to uninstall ARM9

xHomerOx

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I managed to unbrick the 3DS, but now I want to sell it to one friend, so I would like to uninstall the ARM9, and leave all on factory default but... My N3DSXL 9.2.0-20U only boots when boot.firm (luma 7.1) is in the MicroSD. So I tried to use SafeArm9Installer to uninstall the ARM9, but i cannot start it from boot, because with homebrew i keeps getting Red or Black Screen.

Could you give some steps to uninstall the ARM9 having Luma 7.1, It's the only way I can do it otherwise the 3DS won't boot, but in one case i renamed the CTRBOOTMANAGER to boot.firm and i booted from there, but i don't remember the versions of the files I need to use for this, so i would need an Step by Step Guide for this specific case. Any suggestion will be welcome... thanks in advance.
 

Lacius

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If you are using the boot.firm for Luma3DS, then that means you have BS9 installed, not A9LH. There is no reason to uninstall BS9, however. Use FBI or GodMode9 to copy the Luma3DS boot.firm to your CTRNAND, and you won't require the microSD card to boot anymore.

Edit: For a step-by-step guide, follow this link, and go to Section VI - CTRNAND Luma3DS.
https://3ds.guide/finalizing-setup
 
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xHomerOx

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If you are using the boot.firm for Luma3DS, then that means you have BS9 installed, not A9LH. There is no reason to uninstall BS9, however. Use FBI or GodMode9 to copy the Luma3DS boot.firm to your CTRNAND, and you won't require the microSD card to boot anymore.

Edit: For a step-by-step guide, follow this link, and go to Section VI - CTRNAND Luma3DS.
https://3ds.guide/finalizing-setup

Cannot do it yet, i have to start over again, cause i couldn't init safehax to install B9S. B9S is not installed, i don't know what can i do...
 

Altairseven

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as someGamer just said, if you cant boot only with boot.firm in the sd, then you already have boot9strap installed, which is what you want to have, however, if your luma version is 7.1 and not 8.0, then you need to follow this section of the guide https://3ds.guide/updating-b9s, in order to install the latest version of boot9strap and luma 8.0
 

xHomerOx

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Thanks guys, it's done, but i don't recall having B9S installed on my SysNAND, but at least i can sell it to one of my friends, with latest version and hacked. :)))) Thanks!
 

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