Nintendo Switch SD Card Update Script (Version 5)

Overview

This PowerShell script is an all-in-one maintenance and preparation tool for Nintendo Switch SD cards. It automates backups, crash report cleanup, firmware updates, and the latest payloads for Hekate and Atmosphere.

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Features

• Optional SD Card Backup
  • Excludes emuMMC and Firmware folders by default.
  • Creates a timestamped ZIP backup.
• Crash Report Cleanup
  • Deletes folders:
    • /atmosphere/crash_reports
    • /atmosphere/erpt_reports
    • /atmosphere/fatal_reports
• fusee.bin Update
  • Checks if fusee.bin is missing or outdated.
  • Optionally downloads the latest release from Atmosphere-NX.
  • Updates hosts files in /atmosphere/hosts:
    • default.txt
    • emummc.txt
    • sysmmc.txt
• Atmosphere Update
  • Automatically updates the full Atmosphere release if fusee.bin is updated.
• Hekate Bootloader & hekate.bin Update
  • Checks local hekate.bin against the latest release.
  • Optionally updates the full bootloader folder and renames the release bin to hekate.bin.
• Firmware Update
  • Optionally downloads the latest firmware from NX_Firmware and extracts it to /Firmware.
• GUI Prompts
  • Uses Windows Forms for yes/no confirmations and file selection dialogs.

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Requirements

• Windows OS
• PowerShell 5+
• Internet Connection (for downloading updates and firmware)
• Switch must be in Hekate USB mode to detect the SD card.

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Usage

1. Connect your Nintendo Switch in USB mode using Hekate.

2. Run the script in PowerShell:

   .\SwitchUpdate.ps1