Hacking SOS My Switch can't boot anymore

MManatane · May 31, 2020

Hello All,
I need your help for my switch. I can't boot anymore neither the original firmware or the custum one (sx Os).

Previously I had the following setup on my switch:
- Emunand installed on my switch, no auto rcm installed. I'm using SX Os.

I have updated my firmware with choidujour but unfortunally I have choosen the autorcm option (like the other time I have made updates). After this update I was not able to on my custom firmware on the original one. So I wonder if the Emunand was problematic so I made the (bad) decision to erase the Emunand from os option. Now I can't boot anymore, I'm only able to boot on SX boot menu then I have a black screen (original & custom firmware).
Can someone help me please ?

Dust2dust · May 31, 2020

If you had Emunand installed, and you updated with ChoidujourNX, then you probably updated the emunand. By deleting it, you just removed your CFW, and your sysnand should still be OK. I would try to remove autoRCM with the SX boot menu. Worse case scenario, just re-install your nand backup. You made one, right? Right ?!?

paulzheng · Jun 1, 2020

MManatane said:
Hello All,
I need your help for my switch. I can't boot anymore neither the original firmware or the custum one (sx Os).

Previously I had the following setup on my switch:
- Emunand installed on my switch, no auto rcm installed. I'm using SX Os.

I have updated my firmware with choidujour but unfortunally I have choosen the autorcm option (like the other time I have made updates). After this update I was not able to on my custom firmware on the original one. So I wonder if the Emunand was problematic so I made the (bad) decision to erase the Emunand from os option. Now I can't boot anymore, I'm only able to boot on SX boot menu then I have a black screen (original & custom firmware).
Can someone help me please ?

make sure your sysnand working well, recreate a new emunand after payload and holding vol+ in RCM menu

MManatane · Jun 1, 2020

Many thanks for your advice, yes I have made a backup (long long time ago) with the Keys. I will try your different advice and let you know the results.

paulzheng · Jun 1, 2020

MManatane said:
Many thanks for your advice, yes I have made a backup (long long time ago) with the Keys. I will try your different advice and let you know the results.

anytime， backup boot0&1 and system at least. don't worry about old version becuase the cfw can skip efuse to run Hos.

MManatane · Jun 1, 2020

Hello,
I have reinstalled the emunand as suggested, now the original firmware boots, but the custom one not...
Do you have an idea to make it boot ?
Regards

paulzheng · Jun 2, 2020

MManatane said:
Hello,
I have reinstalled the emunand as suggested, now the original firmware boots, but the custom one not...
Do you have an idea to make it boot ?
Regards

hos 10.0.3 ? replace sxos 2.9.5's boot.dat on your sd card root.
then delete folder path as sxos/titles/ is better.

MManatane · Jun 2, 2020

Thanks you very much paulzheng. It works !!

paulzheng · Jun 3, 2020

MManatane said:
Thanks you very much paulzheng. It works !!

don't mention it. backup your console's clean rawnand is enough.

Hacking SOS My Switch can't boot anymore

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