Nintendo has expanded its efforts against Nintendo Switch modification tools, successfully requesting the removal of 144 GitHub repositories containing firmware for popular console modchips.
The latest action targets software associated with Picofly, HWFLY, SX Core and SX Lite, which can be used to bypass security protections on the original Nintendo Switch family.
GitHub disabled the repositories following a Digital Millennium Copyright Act (DMCA) takedown notice submitted by Nintendo of America on November 6, 2026.
Unlike previous enforcement actions that largely focused on emulators and tools for extracting encryption keys, the latest notice specifically targets the firmware required to operate hardware modification chips.
The move could make it more difficult for Switch owners to install, maintain or update certain modchips, although it does not automatically disable hardware that is already functioning.
Nintendo Targets Firmware Used to Bypass Switch Security
The affected modchips allow modified Nintendo Switch consoles to run software that would normally be restricted by the system's security protections.
Early versions of the original Switch contained a hardware vulnerability that made it possible to execute unauthorized software without installing additional components.
Nintendo addressed that vulnerability in later hardware revisions, including the Switch Lite and Switch OLED.
Modchips such as Picofly and HWFLY offered another method of bypassing these protections through hardware modifications.
These devices are typically installed directly onto the console's motherboard and use specialized firmware to interfere with the normal boot process.
Nintendo argues that the firmware enables consoles to bypass technological protection measures designed to prevent unauthorized access to copyrighted games.
While such modifications can facilitate piracy, they can also support homebrew applications, custom operating systems, game modifications and other unofficial functionality.
GitHub Disables 144 Repositories Following DMCA Notice
Nintendo's takedown request specifically identified a Picofly firmware repository and its associated copies.
Although the notice named a parent repository, GitHub ultimately disabled a network containing 144 repositories because Nintendo argued that the related copies also violated its rights.
The company claimed that distributing the firmware constituted unlawful trafficking in technology primarily designed to circumvent copyright protection systems.
Nintendo also referenced previous criminal proceedings involving Team Xecuter, a group associated with Switch modification products.
One of its members, Gary Bowser, previously pleaded guilty to charges involving circumvention devices and received a 40 month prison sentence.
However, that criminal case does not establish that every modchip or every possible use of modification software is automatically unlawful.
The legality of particular tools and activities depends on the circumstances and applicable laws.
Existing Modified Switch Consoles Will Continue Working
The GitHub removals do not directly affect the firmware already installed on functioning modchips.
Consequently, Switch owners who previously modified their consoles should not experience an immediate loss of functionality solely because the repositories were disabled.
However, access to updates, replacement firmware and recovery files may become more difficult.
The takedowns could also complicate future installations for people who rely on the affected repositories.
Importantly, the action concerns modification firmware for the original Switch family and does not establish that these tools work on Nintendo Switch 2.
Some alternative firmware repositories reportedly remain accessible, indicating that the latest enforcement action has not eliminated all copies of the software.
Nintendo has also pursued other Switch related projects, including emulators and supporting tools.
The latest wave demonstrates the company's continuing efforts to restrict software that bypasses its console security measures, while leaving broader questions about homebrew development and hardware modification unresolved.
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