Version 1.5

Before Updating
  • Remove any CD or HuCard from Duo
  • Use the official USB cable and power supply.
  • Disconnect all USB devices
Download [18.9MB]

To install this firmware, please view our guide on Updating Firmware.

Release Notes

Version Number

1.5

Date

[2025-03-18]

MD5

6f99f692c2d9380ca0c5fae7bbb61e54

OS

  • Fixed Single-buffered Sync Mode being forgotten on power off

System

  • Added several missing HuCards to the Library

  • Fixed timing compatibility bug affecting some official and unofficial HuCards

  • Fixed reset bug on unofficial HuCards

Controller

  • Added support for Switch Genesis/MD controllers

  • Added support for Switch NES/Famicom controllers

  • Added support for Buffalo Classic USB Gamepad

  • Added support for some later Wii Remote Plus controllers

  • Fixed button mapping for Switch Joy-Cons and Switch SNES/N64 controllers

  • Fixed various 8BitDo controllers when connected via USB: M30 2.4g, N30 2.4g, SN30 2.4g, Zero 2, and Micro

  • Fixed PS4 controller home button bug when connected via USB

  • Fixed occasional crash when attempting to pair controllers

  • Fixed reconnecting/pairing of Bluetooth LE controllers that had been paired to other devices

Reminder about Controlling the Menu

For controllers without a menu button such as the SN30:

  • The menu can be opened by pressing Select + Down (hold Select first)

  • Original Display Modes can be cycled through using Select + Down + Left/Right (hold Select first then Down)

  • Save States can be created by pressing Up + Select (hold Up first)

  • Save States can be Quick Loaded (enable in menu) by pressing Down + Select (hold Down first)

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