Correct steps to downgrade to 6.2. with Atmosphere to use SX OS again

[ceycey]

I am trying to downgrade my Switch from 7.0.0. to 6.2.0. to use SX OS again.
I did a full NAND Backup at first.
Then copied all SD files for Kosmos AMS to root of SD, including hekate_4.8.bin file, ChoiNX to switch folder and 6.2.0 firmware to a new created firmware folder.
Now I get to the point where I fail:
I can't load Atmosphere via SX Pro Dongle.
When I choose external payload (hekate.bin file) I just get a black screen...

 

[josete2k]

You ONLY need atmosphere 0.8.4 and choidujournx.

Launch fusee-primary from sxos boot menu and you're done... Your system should be 7.0.1 AMS

 

[ceycey]

Ok, thank you! I'm now into Atmosphere 0.8.4. System is 7.0.0. AMS but what is the exact next step?
I put hbl.nsp into atmosphere folder to launch hbmenu but it says no home-brew application found in switch folder... I have nx shell and choidujournx in there. Did I miss something?

EDIT:
Ok, I had issues with files copied to the sd card from a Mac which led to hbmenu not detecting the pro files. Was able to fix it with a terminal command. Downgrading with ChoiNX was no problem.
I'm finally able to boot into SX OS. Will create a Emunand now to update sysNAND to 7.0.1.

If someone has problems with the process feel free to message me.
Thread can be closed!

 

[leboylondo]

Hi @ceycey I've read your post and create an account just to ask you this, would you be so kind to post step by step of what you did to downgrade ? Because I also want to downgrade to 6.2.0 from 7.0.0 and then re-update to 7.0.0 with emunand.

Thanks before.

 

[ryanleeis]

will this procedure only work if you had a SYSNAND on 6.2.0 before burning fuses updating to 7.0.1

I purchased a used original Switch that's Hackable.. but it was unfortunately already updated to 7.0.1. I have a SX Pro but would downgrade if its possible even if fuses were burnt

 

[MacD]

Yes please, i was just about to make a new thread asking somebody if there was a written step-by-step noob guide how to do this.

Could you please be kind enough to write a step by step for noobs like me?


edit - What does AMS mean also?

 

[Dukeofjelly]

Yes please, i was just about to make a new thread asking somebody if there was a written step-by-step noob guide how to do this.

Could you please be kind enough to write a step by step for noobs like me?


edit - What does AMS mean also?

Here's one I found. Be careful.

Proper consice downgrade process?

So in the event that support is still a while away, I wanted to know precisely how one can downgrade from 7.0.0 or 7.0.1 to 6.2 by using the SX OS and dongle along with ChoiDujournx on the switch and not through the pc. I've seen a lot of conflicting information and haven't really heard of any...

team-xecuter.com

 

[kaj.einarsson]

Hi @ceycey I've read your post and create an account just to ask you this, would you be so kind to post step by step of what you did to downgrade ? Because I also want to downgrade to 6.2.0 from 7.0.0 and then re-update to 7.0.0 with emunand.

Thanks before.

Atmosphere works install nsp works play games works but ugly as hell. Still waiting for sxos.

 

[MacD]

Here's one I found. Be careful.

Proper consice downgrade process?

So in the event that support is still a while away, I wanted to know precisely how one can downgrade from 7.0.0 or 7.0.1 to 6.2 by using the SX OS and dongle along with ChoiDujournx on the switch and not through the pc. I've seen a lot of conflicting information and haven't really heard of any...

team-xecuter.com

Ok thanks for this.

I'm going to wait until the end of March.

If not update then, i will give it a go.