Hey guys, this will work on any 3DS that is capable of running an emuNAND or custom firmware including the new 3DS, old 3DS, and 2DS. It is actually pretty straightforward.
Stuff from video:
Smealum's github: http://mmoity.com/INT
*Optional* auto version of Themehax: http://mmoity.com/IND
Tubehax DNS: 107.211.140.065
Rxtools.3dsx: http://mmoity.com/INh
Nightly build: http://mmoity.com/INm
MD5 checker: http://mmoity.com/INy
N3DS Only:
Reinand 2.1 CFW: http://mmoity.com/IOF
firmware.bin must be renamed to 0004013820000002orig.bin and the MD5 must be 006559E2567DC7DF6C0F1AF17EDD9CE8
O3DS Only:
MD5 must be A9DCD99A360E8629810F8ED08403D746
Other useful links:
ChrisN8's amazing written guide: http://gbatemp.net/threads/rxtools-cfw-coldboot-full-installation-guide-for-new3ds-from-browserhax-homemenuhax-to-rxtools.398420/
How to install emuNAND using Gateway: https://www.youtube.com/watch?v=8Obgz590Ack
Information about Tubehax: https://www.youtube.com/watch?v=WCAdPYHQFcA
Follow me on Facebook: http://facebook.com/blackstarchronicles
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ADDITIONAL INFORMATION FOR 3DS AND 2DS USERS:
Hey original 3DS and 2DS users! Don't tell the new 3DS users, but you guys are so much cooler than those nerds. So read this only after you follow me video to the 5:19 mark. When you've done that, what you want to do next is... A bit of a hassle. It actually should be easy but for some reason I'm not allowed to give you a direct download to the next file because I guess it's illegal or something. I will however tell you as much as I can to have you find it. Google the following: [MEGA] [CIA/BIN] MSET 4.X & 6.X backups, Browser backups, Update packs (All Regions)
From there find a thread. From there download the following "firmware.bin (rxTools3.0/2.6)"
So when you have the file, go to your SD card and go to the 'Rxtools' folder and then go to the 'sys' folder and paste the file here. Now really fast, let's verify that it is the correct file. You should do this as well. This file needs to have a certain MD5 code. So go to this website http://onlinemd5.com/ and drag your file to it. This is what your MD5 code is. It should match the following code: A9DCD99A360E8629810F8ED08403D746 . So take that code and paste it into the website and if the checkmark is green, you're good to go. Now you're done with you PC! Pop the SD card into your 3DS. Then turn your system on. Press L if you have to to boot themehax. If this is your first boot you will see the installation suite so wait until the 6 square are full. After that it'll boot directly into emuNAND! If this video and written guide helped you out, be sure to like, comment, subscribe, follow me on Facebook, and all that good stuff. Thank you to everybody who helped make this possible and to you for watching and reading.