ONLY FOLLOW THIS GUIDE IF YOU ARE OKAY HAVING YOUR SYSTEM DIE/KNOW HOW TO FIX IT IF IT DOES, DON'T CRY TO ME YOU WERE WARNED

however i may still help you if it does but really i could just choose not to at any time so dont rely on me.

If You Do Not Have/Know What GodMode9 Is It's EXTREMELY LIKELY You Shouldn't Be Here
If You Do Not Have/Know What An NTRBoot Card Is And How To Put GodMode9 On It And Also How To Boot From It [AND YOU REALLY SHOULD HAVE THIS PREPARED BEFOREHAND] Then You Also REALLY Shouldn't Be Here

If You Came Here From A Video Tutorial GET THE FUCK OUT RIGHT NOW

 FAQ
  |-Why GodMode9 Method And Not SysDowngrader/SysUpdater?:
  |  |~I Wanted For My Project A "Pure" SysNand
  |  |~If You Downgrade From Say, 11.17 To 1.0 On An O3DS
  |  |~You May Notice Titles On The Home Menu That Weren't There
  |  |~Like E-Shop Which Wasn't Introduced Yet
  |  |~SysDowngrader/SysUpdater Does Not Remove These
  |  '----------------------------------------------------------------------------------------------------------
  |
  |-Can I Contact You / Show You I Completed This Successfully? [I'd Love To See]
  |  |~E-Mail Or Twitter
  |  '----------------------------------------------------------------------------------------------------------
  |
  |-Will You Help Me Fix My System?
  |  |~Likely Not But Ask Anyways [You Better Have Read Everything Properly And Carefully Tho]
  |  '----------------------------------------------------------------------------------------------------------
  |
  |-Some Of My Titles Are Missing From The Home Menu
  |  |~On Some Lower Firmware Versions Your Homebrew/Titles For Newer Firmwares May Not Be Installable/Show Up
  |  |~This Mostly Only Applies To Really Really Early Firmwares, Also They Are Still Technically There However
  |  '----------------------------------------------------------------------------------------------------------
  |
  |-I Can No Longer Access The Luma Menu
  |  |~On Some Really Low Firmware Versions The Luma Menu Is Non-Functional
  |  '-----------------------------------------------------------------------------------------------------------
  |
  |-I Selected My System Version Correctly But It Gave Me An Error
  |  |~Currently Only These Firmwares Are Supported:
  |  |~Region U: All Firmwares For O3DS And N3DS
  |  |~Region E: All Firmwares For O3DS [ None For N3DS Feel Free To Contact Me To Assist If You Want Sooner ]
  |  |~Region J: Only O3DS Downgrade Between 1.0.0-0J ~ 11.3.0-36J Currently Supported [ Work In Progress ]
  |  |~Region T: Coming Soon(?)
  |  |~Region C: Coming Soon(?)
  |  |~Region K: Coming Very Very Later, Korean Systems Are Hard To Obtain
  |  '-----------------------------------------------------------------------------------------------------------
  |
  |-I Selected 1.1.0-1 But Now I'm On 2.0.0-2
  |  |~Sorry About That, It's Not Currently Known Which Titles Were On A 1.1.0-1 System
  |  |~But I Can Suggest To You 1.0.0-0 If You Want It Also Works On 1.1.0-1 Systems Without Issue
  |  '-----------------------------------------------------------------------------------------------------------
  |
  '-Why Such Scary Warnings?
     |~While I Have Done Enough Testing And Stuff That Everything Should Go Swimmingly
     |~I Also Bricked My 3DS About 5 Times During The Learning And Research Process
     |~From Not Being Able To Launch Apps To Not Being Able To Boot To Even Safe Mode Being Broken
     |~I Know Enough Now But The Only Way To Fix Such A Thing Is Either HardMod
     |~Or Restoring Your SysNand Using GM9 On An NTRBoot Flashcart [Not GM9i]
     '-----------------------------------------------------------------------------------------------------------

HALT BEFORE DOING ANYTHING MAKE A NAND BACKUP RIGHT NOW AND PUT IT SOMEWHERE SAFE
NandManager Is Recommended As You Dont Have To Do Fancy Stuff To FULL Restore Nand In-Case You HORRIBLY Fuck-Up
Do (X) For Backup SysNand
This Works Even If You Uninstall All Titles. Like You SERIOUSLY Fucked Up.



Store The File That Was Created In A Safe Place [Include The SHA File]



To Find Out Your Original System Firmware

Choose Your Original Firmware Make Sure To Set The Correct Region And System



Extract The Zip File You Downloaded To The SDCard



Uninstall All Titles Using Title Manager [(L)+Right To Select All Titles, (A) To Perform An Action, Leave Permissions Unlocked For Easy Continuing]
NOTE: You Will Lose All Your System Saves And Your System Will Be Unable To Boot Without Installing A Firmware



Decrypt In-Place The Titles You Downloaded [(L)+Right To Select All Titles, (A) To Perform An Action, If You Get A Note That A File Is Not Encrypted It Is Okay To Ignore It]



Install The Now Decrypted Firmware[(L)+Right To Select All Titles, (A) To Perform An Action, You Can Re-Lock Permissions After This



You Can Now Reboot With Start But If Your System Does Not Boot The Home Menu Wipe ExtData [Recommended To Do Before Tho]



It Is Recommended To Factory Format Your System After But You Can Also Follow Above And You Should Be Fine, Enjoy
If You Experienced No Errors The Guide Is Over, Otherwise Follow The Steps Below



If You Get This Error [You Have B9S Installed] You Either Don't Know The Difference Between O3DS And N3DS Or You Selected The Wrong Region And Should Leave This Guide Immediately After Restoring Your SysNand.



If Your 3DS Boots To Black [You Do Not Have B9S Installed] You Either Don't Know The Difference Between O3DS And N3DS Or You Selected The Wrong Region And Should Leave This Guide Immediately After Restoring Your SysNand.



If You Get Any Other Error Or Your System Doesn't Boot, NTRBoot That GodMode9 Cart I TOLD YOU YOU SHOULD HAVE BECAUSE YOU CAN'T DO THIS STEP OTHERWISE And Restore SysNand (Full)