Ender 3 3d Printer UPGRADED

This is my understanding of your issue: Your Ender 3 Pro 3D will repetitively and consistently corrupt multiple MicroSD cards that are

Ender 3 pro has card slot Card slot Humanized design and better experience are possible with card slot feature Ender 3 pro comes with a better fan position

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777aja slot What is the problem? My Ender3 V2 gives me SD Init Fail messages when I do not have an SD card in the printers reader slot when opening