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Nintendo Switch 2 backward compatibility rumors reinforced by analysis of Switch firmware data

Code from Github files allegedly points towards backward compatibility on the Nintendo Switch successor. (Image source: Nintendo)
Code from Github files allegedly points towards backward compatibility on the Nintendo Switch successor. (Image source: Nintendo)
An analysis of Nintendo Switch firmware update 18.0.0, released back in March 2024, reinforces past rumors of backward compatibility for the upcoming Switch 2. Code from GitHub files suggests a unified file system, likely allowing games to scale across consoles.

Nintendo is not oblivious to backward compatibility, with its past endeavors including consoles like the Wii (with GameCube games), DS (with Game Boy Advance titles), and the 3DS (with DS games). Even the Wii U also allowed players to use Wii discs and accessories. Previous rumors have suggested a similar feature to arrive with the highly anticipated Nintendo Switch 2 handheld console. Now, an in-depth analysis of the 18.0.0 firmware update for the Nintendo Switch further reinforces possible backward compatibility support for the Switch 2, adding more weight to the aforementioned rumors.

Details uncovered from GitHub repositories (1)(2)(3) by Famiboards user @Pokemaniac, specifically code in 'ldr_process_creation.cpp' and 'ldr_content_management.hpp', suggest Nintendo is building a new system for managing files across multiple consoles. Furthermore, the addition of the new mount point, labeled "compat," (as in compatibility) points towards facilitating file-sharing capabilities between the current Switch (currently $284 on Amazon) and its successor. 

The Nintendo Switch 18.0.0 update appears to have added support for a new type of mount point - "compat". (Image source: Github / @Pokemaniac via Famiboards)
The Nintendo Switch 18.0.0 update appears to have added support for a new type of mount point - "compat". (Image source: Github / @Pokemaniac via Famiboards)

This update could allow games to allegedly scale their graphical assets and performance, depending on whether they are running on the original Switch or the Switch 2. It seems quite similar to how PlayStation and Xbox handle cross-gen games. The new "unified file system" approach would enable certain game files to adjust based on the hardware, letting users enjoy the original Switch titles on the Switch 2 as well.

Additionally, data from the same GitHub file hints that Nintendo could implement even stronger security measures to keep critical files on the Switch 2 from being pirated/emulated. It's common knowledge that Nintendo is extra cautious about protecting its intellectual property, so these new measures would only make more sense. Please note that almost all of this info is based on leaks and code analysis, not official statements from Nintendo.

Nintendo fans have been waiting for the Switch 2 for quite a while now, and so far, we've gotten alleged design renderspricing and fast-charging rumors, and past leaks regarding a major RAM upgrade for the Switch successor. Hopefully, the Japanese company makes a concrete announcement soon, soothing the itch of countless Nintendo fans around the globe.

@Pokemaniac's post on Famiboards, explaining how he reverse-engineered the code in the Nintendo Switch firmware to reach said conclusion. (Image source: Famiboards)
@Pokemaniac's post on Famiboards, explaining how he reverse-engineered the code in the Nintendo Switch firmware to reach said conclusion. (Image source: Famiboards)
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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2024 09 > Nintendo Switch 2 backward compatibility rumors reinforced by analysis of Switch firmware data
Anubhav Sharma, 2024-09-25 (Update: 2024-09-25)