How to upgrade/downgrade your Switch


Before you upgrade your devices firmware, make sure you're on the latest CFW version. Click here to find out more on how to update your CFW.

If you want to dump your own firmware files in order to update your emuNAND, you may read this guide.

Before you upgrade your devices firmware, please ensure to delete your /contents/ folder located in /atmosphere/.

What you'll need:


  • Firmware Files
  • Daybreak

Upgrade/Downgrade Process:


You can access your SD card via Hekate, please read this guide if you're unsure on how to do that.

You will first need to create a folder named firmware on the root of your SD card
Then you can place your firmware files in your firmware folder.
Afterwards, proceed with the following steps:

  1. Launch Daybreak from the homebrew menu
  2. Select Install
  3. Select the folder that contains your firmware
  4. Select Continue
  5. Select Perserve settings
  6. Select Install (FAT32 + exFAT)
  7. Select Continue to proceed

Once the upgrade/downgrade is done, you will need to reboot in order to finish the process.

Important Note:

If you get the following error after updating:
[ERROR] Fatal error: [NXBOOT] Failed to determine mariko warmboot firmware
then click here to learn more on how to fix the error.


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Pub: 17 Jan 2021 21:57 UTC
Edit: 05 Jun 2022 19:58 UTC
Views: 94570