Hardware N3DS XL 10.5: downgrade not possible

[pizzatime]

Hi, I've a N3DS XL with 10.5 firmware (EUR Zelda majora's mask edition) and Toshiba(?) THGBMBG4 eMMC (2 GB)

The hardmod installation is fine, as I already did an upgrade to 10.6 and then I restored the 10.5, but after a FIRM downgrade and a restore, the 3DS is always stuck on the blue screen.
I tried a FIRM downgrade both on 10.5 and 10.6 but the result is the same.
If i write the original firmware on the eMMC, the 3DS starts up correctly.

Can I patch the FIRM in another way instead using Raugo's autofirm? I think it's not useful for this model.
Thank you in advance for any reply.

 

[Sir_Giggles]

Are you sure you hardmodded correctly? Your soldering looks different compared to the one found on this guide.
http://gbatemp.net/threads/tutorial...ing-2ds-3ds-3ds-xl-n3ds-n3ds-xl.414498/#newxl

 

[pizzatime]

I've used an altpoint only for CLK, that's on the other side of the board, as seen here: https://gbatemp.net/threads/n3ds-nand-backup-possible-i-hope.381506/
I assure you that the hardmod is fine and working, as the PC recognise the 2GB storage and allow me to use it (as I already said, after the hardmod I upgraded to 10.6 and then I've returned back on 10.5 simply flashing the 10.5 nand.bin backup... so it's not an hardmod problem).
Now I'll try to patch the FIRM on another PC, but I've already downgraded ~10 3DS/2DS/n3DS and this one is the only one that's giving me problems in downgrade.

I've also used the Reboot.ms' autofirm with no luck anyway... same as the raugo's.

 

[mitroux]

i don't think you have a problem with your hard mod since you said you already backuped and restored a 10.5 nand
maybe you don't have python installed correctly(2.7 is working 100%, 3.5 won't probably work ), or maybe running win64 ?

 

[gamesquest1]

just double check your wiring (make sure its not being shorted when you close the console up) and make sure your using the n3DS FIRM files not the o3DS

 

[leerz]

did you use the n3ds firm files of your region when using autofirm?

 

[gamesquest1]

lol never noticed that the toshiba nand is P1kBAIT

 

[pizzatime]

double check your wiring... and make sure your using the n3DS FIRM files not the o3DS

maybe you don't have python installed correctly(2.7 is working 100%, 3.5 won't probably work ), or maybe running win64 ?

did you use the n3ds firm files of your region when using autofirm?

Double-checking everything, thank you for suggestions so far. I'll reply if this solve the problem.

 

[JCR1]

did you use the n3ds firm files of your region when using autofirm?

is necessary use files from the same region or I can use usa files on European console?

 

[leerz]

is necessary use files from the same region or I can use usa files on European console?

use files of your region and 3ds version
the system will brick if you don't

 

[pizzatime]

I tried with windows 8.1 and it never worked. Swapped to another PC with Windows 7 and everything just went fine. Meh...
I didn't checked what python version was installed on the windows 7 PC but definitely... the programs used make difference.
As a linux-only user, I can only say that windows is really nonsense.

Thank you all.