Your 3DS is basically region free after installing cfw and changing the region. Both of these are Japanes 3ds', one with cfw and one without. (I know many of you know this
Review: R4i-B9S Pre-Flashed Cart making CFW installation a breeze - Hackinformer
Nintendo 3DS Hacking Guides - Custom Firmware on 3DS | Code Donut
2DS/ New 2DS/ 3DS /new 3DS Luma CFW Modding Service Mail - Etsy
I install custom firmware (CFW) and repair Nintendo 3DS,2DS,DS, and DSi's : r/phclassifieds
Review: R4i-B9S Pre-Flashed Cart making CFW installation a breeze - Hackinformer
My friend wanted me to install CFW on his 3ds and holy smokes their is way better than mine. : r/3DS
How to Install Custom Firmware Luma3DS to any 3DS - YouTube
Booting Luma CFW With No SD Card | 3DS Mod Features - YouTube
Nintendo 3DS - Sthetix
How To Install Boot NTR CFW Selector, Cheats, Stream Your 3DS To Your PC (Download for 11.14 ) - YouTube