Hacking Question Upgraded my SD card and now my switch downgraded

Aidiano · Apr 23, 2021

I upgraded from a 64gb sd card to a 512gb one, on the old one I was running system version 10.0.0 with atmosphere 0.14.2. With the new card I swapped over everything from the root of the old SD card and in hekate I created a new EMMC, and for some reason when I boot up my switch into emuMMC the system version is 6.2.0 which means I can't play a lot of the newer games.

If i put the 64gb sd card in it boots back to version 10.0.0 and I have no idea what I have done differently with the new sd card to make it boot to an older firmware.

petspeed · Apr 23, 2021

When you create a new EmuMMC it will make a copy of your SysMMC. So your SysMMC seems to be on 6.2.0.
If you want to move your old EmuMMC to the new SC card follow this guide: https://nh-server.github.io/switch-guide/extras/transfer_sd/

Aidiano · Apr 26, 2021

Okay thanks for the reply, but how did I manage to create an EmuMMC on my original SD card that was a higher version than my SysMMC? Is there a way I can do it again without having to copy over the EmuMMC from my old SD card?

Hayato213 · Apr 26, 2021

Aidiano said:
Okay thanks for the reply, but how did I manage to create an EmuMMC on my original SD card that was a higher version than my SysMMC? Is there a way I can do it again without having to copy over the EmuMMC from my old SD card?

Just update the emunand firmware.

LurkeryMcGee · Apr 26, 2021

Aidiano said:
Okay thanks for the reply, but how did I manage to create an EmuMMC on my original SD card that was a higher version than my SysMMC? Is there a way I can do it again without having to copy over the EmuMMC from my old SD card?

If you just want to update the EmuMMC firmware, you can use daybreak to do so. However, while you're at it, you may as well update hektate and atmosphere. Update atmosphere and hekate first - you'll see you should still be able to boot into that outdated firmware still and perhaps relieve any concerns about updating those. They are backwards compatible and an upgrade is a good idea. Then you can use daybreak to update to the EmuMMC, and having those other things updated first should make sure everything plays nice. Current recommendation is likely 11.0.1 for that update. 12.x breaks some stuff currently.

The Real Jdbye · Apr 26, 2021

Aidiano said:
Okay thanks for the reply, but how did I manage to create an EmuMMC on my original SD card that was a higher version than my SysMMC? Is there a way I can do it again without having to copy over the EmuMMC from my old SD card?

You need to clone the emuNAND partition over to the new card. Otherwise your games won't be recognized, and all your save data will be missing.

Draxzelex · May 3, 2021

Aidiano said:
Okay thanks for the reply, but how did I manage to create an EmuMMC on my original SD card that was a higher version than my SysMMC? Is there a way I can do it again without having to copy over the EmuMMC from my old SD card?

You have 2 options which are to either update the firmware of your emuMMC with ChoiDujourNX/Daybreak or make a copy of your current emuMMC and place it onto the SD card.

Hacking Question Upgraded my SD card and now my switch downgraded

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