Holiday Shipping Details & Extended Holiday Returns 
New R4I 2018 SDHC Dual Core Flash Card Adapter for DS DSI 2DS 3DS New3DS & All DS Consoles Instructions: (1). Prepare one micro sd card which capacity does not exceed 32GB(Recommend Class 4-10 speed 8-32GB), FAT32 format; (2). Download R4 kernel from official website: r4isdhc. com/2014-r4isdhc-gold-pro/ and extract the inside 4 files of kernel to the micro sd card root directory, copy games to micro sd card root directory, plug and play.
- Function: only nds roms, can not 3ds roms
- Support version: 3DS console version 1.0-11.6
- Kernel download: r4isdhc.com/2014-r4isdhc-gold-pro/
- The wonderful world of 8-bit awaits.
- Enrich your Nintendo gaming experience with our Wood version R4ISDHC Card.
Support version: 3DS console version 1.0 - 11.6
Package include: 1 x R4I Card 1 X Card Reader
Make sure you have download the correct kernel and extract the kernel files correctly. (Don't put the 4 kernel files in another new folder, just put them in the micro sd card root directory)
Make sure your Micro sd card is FAT32 format, capacity does not exceed 32GB (Recommend Class 4-10 speed 8-32GB); Name your micro sd card by English, don't use other languages