Bu rehberin son adımı arm9loaderhax'ı yüklemek ve Luma3DS'i cihazın açılmasından milisaniyeler içinde devreye girecek şekilde ayarlamaktır. Bunu [AuroraWright](https://github.com/AuroraWright/)'ın SafeA9LHinstaller programı yardımıyla gerçekleştireceğiz.
Bu neredeyse en iyi cihaz açıklarından birisi çünkü NAND partitions'larına kalıcı olarak yüklenebilmekte ve işletim sisteminden önce yüklenmektedir. Bu sayede yüklendiği zaman *her* versiyonda çalışmakla beraber normalde brick olabilecek durumlardan kendisini koruyup yapılandırabilir.
'arm9loaderhax.bin' dosyası, arm9loaderhax'ın NAND'a yüklenmesini tamamladıktan sonra başlattığı şeydir ve herhangi bir geçerli arm9 payloads olabilir. Luma3DS, başka arm9 payloads'ların Luma3DS chainloader kullanılarak başlatmasına rağmen bu dosya herhangi bir zaman değiştirilebilir.
Biz bu rehberde, AuroraWright'ın Luma3DS [AuroraWright](https://github.com/AuroraWright/) kullanacağız, bu sayede EmuNAND ile alakalı bir işlem yapmamıza gerek kalmayacak ve işi basitleştirip SD kart hafızasında da daha az yer kaplayacak.
* The Homebrew [Starter Kit](http://smealum.github.io/ninjhax2/starter.zip)
#### Instructions
##### Section I - Prep work
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**Ensure you are using an SD card that is not corrupted!**
**If you use a corrupted SD card without fixing it, you may BRICK!**
**If you think your SD card may be corrupted, check your SD card for errors using [H2testw (Windows)](h2testw-(windows)), [F3 (Linux)](f3-(linux)), or [F3X (Mac)](f3x-(mac))!**
1. **If it exists, copy the `/files9/` folder on your SD card to a safe location on your computer and back it up to multiple locations (such as online file storage); the files inside could save you from total data loss if you break your system**
2. Create a folder named `cias` on the root of your SD card if it does not already exist
6. Copy _the contents of_ the SafeA9LHInstaller `.7z` to the root of your SD card
13. Create a folder named `luma` on the root of your SD card
14. Create a folder named `payloads` in the `luma` folder on your SD card
15. Copy `Hourglass9.bin` from the Hourglass9 `.zip` to the `/luma/payloads/` folder on your SD card and rename `Hourglass9.bin` to `start_Hourglass9.bin`
17. Copy `aeskeydb.bin` to the `/files9/` folder on your SD card
18. Copy `DspDump.3dsx` to the `/3ds/` folder on your SD card
19. Copy _the contents of_ `fbi-2.4.2-injectable.zip` to the `/files9/` folder on your SD card
##### Section II - Installing arm9loaderhax
1. Reinsert your SD card into your 3DS
2. Do the steps for installing arm9loaderhax on your device:
+ If you get the error "This service is not available in your region", use the System Settings to set your device's country to match the NAND region you installed with 2.1.0 ctrtransfer
+ If you get another error, [follow this troubleshooting guide](troubleshooting#ts_browser)
+ If you get a glitched screen, [follow this troubleshooting guide](troubleshooting#ts_safe_a9lh_screen)
+ If you are on a 2DS or New 3DS and Wireless Communication is off, you can re-enable the wireless by removing the battery and unplugging the charger for several seconds then booting back up
+ Copy your console specific `otp.bin` from the `/a9lh/` folder on your SD card to a safe location on your computer and back it up to multiple locations (such as online file storage), then reinsert your SD card into your 3DS
+ This will increase the framerate of many games, but may cause instability in others
+ If some games do not work properly, disable this option and try again
4. Press (Start) to save and reboot
+ If you get a black screen, just continue to the next section
+ If you get a "Failed to mount CTRNAND" error, just continue to the next section
##### Section IV - Restoring the System
If, before following this guide, you already had an EmuNAND setup and would like to move the contents of your previous EmuNAND to your new SysNAND CFW, now is the time to [follow Move EmuNAND](move-emunand) instead of doing the first four steps in this section.
2. Go to "SysNAND Backup/Restore", then select the "Health&Safety Dump" option to dump Health & Safety to `hs.app` **(you can use Up and Down / Left and Right to change the name)**
3. Press (B), then select the "Health&Safety Inject" option
4. Select the FBI injectable `.app` for your region
5. Press (A) and confirm to inject
6. Press (Start) to reboot
7. If you still launch to the stock Health & Safety app and have downgraded with Gateway in the past, [follow this troubleshooting guide](troubleshooting#gw_fbi)
You can update your arm9loaderhax installation in the future by following the instructions on the [Updating A9LH](updating-a9lh) page.
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To use [NTR CFW](https://github.com/44670/BootNTR/), get `ntr.bin` from the appropriate `.zip` on [this](https://github.com/44670/BootNTR/releases) page and copy it to the root of your SD card, then install `BootNTR.cia` from [this](https://github.com/astronautlevel2/BootNTR/releases/latest) page.
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Keep your `NANDmin.bin` file, it can be restored by Hourglass9 to save you from a brick in the future.
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You can remove your NAND backups from `/files9/` as long as you still have them backed up to a safe location.
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**You can remove any extra files and folders from the root of the SD card that are *not* in the following list:**
