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2021 Update Wood Version R4ISDHC SDHC Dual Core with 16GB Micro SD Memory Card for Nintendo 3DS NDS New 3DSLL - Newegg.com
does nintendo still patch 3ds to block the R4 Cartridge? | GBAtemp.net - The Independent Video Game Community
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R4 SDHC Adapter Secure Digital Memory Card Burning Card Game Card Flashcard Durable Material Compact Portable For Nintendo 3DS - AliExpress Consumer Electronics
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New R4I SDHC Dual Core Flash Card Adapter for DS DSI 2DS 3DS New3DS & All DS Consoles - White - Newegg.com
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![my friend brought this R4 card but it keeps saying it needs to update its firmware. the one on the site doesnt work. what now? : r/flashcarts my friend brought this R4 card but it keeps saying it needs to update its firmware. the one on the site doesnt work. what now? : r/flashcarts](https://preview.redd.it/5ofaypwiyas81.jpg?auto=webp&s=63bd9374c8f6c682166c3a7e303963597cb40341)