Earlier this week, the makers of the favored Mig Flash cartridge, which permits customers to play Swap video games loaded by way of an SD card with out modifying the console itself, issued a firmware replace enabling the playing cards to run authentic Swap video games on the Swap 2. Since then, although, a number of Mig Flash customers are reporting that they’ve seen their Swap 2 consoles banned from Nintendo’s on-line servers, even in circumstances the place the gadgets have been solely used to run backups of legit video games the customers bought themselves.
“My Swap 2 check has been banned after utilizing the Mig [Flash] with completely authorized dumps of my very own cartridges, so it might appear that Nintendo can detect one thing,” common hacking information account Swap Instruments posted on social media Monday (together with a follow-up displaying a stack of legit Swap video games they mentioned they’d backed up utilizing the gadget). “I strongly advocate that you don’t use the Mig [Flash], it was already very dangerous to make use of however it’s much more so on Swap 2.”
My Swap 2 check has been banned, after utilizing the mig swap with completely authorized dumps of my very own cartridges, so it might appear that Nintendo can detect one thing
Comparable stories on reddit are beginning to are available.https://t.co/nbPMlRWSaPhttps://t.co/3eq6dkbFMi
I strongly… pic.twitter.com/btzjQYJzE4— SwitchTools (@SwitchTools) June 16, 2025
The insistence that the ban got here whereas utilizing “completely authorized dumps of my very own cartridges” is essential right here. Nintendo has lengthy used certificates with strong cryptographic signatures to determine when particular person copies of Swap video games are being shared for the needs of piracy. If Nintendo notices the identical cryptographic signature on safety certificates being utilized by lots of of various consoles and accounts, as an illustration, the corporate could be comparatively positive that each one these customers are partaking in piracy.
However the Mig Flash may also be used for backup and play of a person’s authorized Swap sport purchases on a private console, which should not result in any such signature conflicts. On the Mig Flash web site, the builders of the gadget say they “solely assist and assure your gaming with your personal video games backups. This is applicable to on-line too. If you wish to play on-line with the complete Mig Flash guarantee, you could use your personal dumped backups… Failure to respect this rule may find yourself in bans from Nintendo on-line service, which we can’t be held chargeable for.”