A recent firmware update for the Mig Flash cartridge allows users to play Switch games on the new Switch 2 console using SD card backups. However, many users report having their consoles banned from Nintendo's online services, even when using legal game backups. Nintendo employs sophisticated detection methods to identify piracy, which may have triggered the bans. Despite the Mig Flash being marketed for legal use, the risks associated with its usage have intensified on the new device, prompting warnings from the community.
"My Switch 2 test has been banned after using the Mig [Flash] with perfectly legal dumps of my own cartridges, so it would seem that Nintendo can detect something."
"The insistence that the ban came while using 'perfectly legal dumps of my own cartridges' is important here."
"I strongly recommend that you do not use the Mig [Flash], it was already very risky to use but it is even more so on Switch 2."
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