How to repair? Is this product real? Have been using this SD card for a few years inside a Nintendo Switch, and suddenly it failed today when I downloaded a new game. Tried formatting, can’t be formatted (using Windows built-in disk management, even EaseUS), tried deleting volume, etc all failed.
written on back:
2146TC2W6000
Made in Taiwan
Looks like the card has failed. I suggest using several for redundancy and make backups too.
Perform a low-level format using the official SD Memory Card Formatter tool from the SD Card Association. If this fails, it indicates that the card is physically damaged and needs to be replaced.
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