In the past couple of days I've been developing a brand-new A9LH installer.
It loads all the needed files
from the SD card (no more need to build console-specific installers), and it's really
fast. Other than that, it's way
safer than the original one, as it does the following checks:
- Checks that it's able to encrypt FIRM partitions properly
- If you have a New 3DS and you're doing a first install of A9LH, or you're reinstalling from A9LH itself, it validates your OTP. Sadly I have no way of validating the OTP on an Old3DS first install.
- Hashes the secret_sector, FIRM0 and FIRM1 to verify their integrity
- Checks that stage1 and stage2 don't exceed a maximum size.
How to use:
- Copy the
3ds folder and the
.dat if making a first install, and run the program from a vulnerable firmware; or load the
.bin using A9LH itself. Press
SELECT for a full install, and
START for a stage2 update.
- If you only want to update stage2, copy a
payload_stage2.bin (which is
stage0x5C000.bin) to the
a9lh folder on the root of the SD.
- If doing a full install, you also need to copy these files to the a9lh folder:
payload_stage1.bin,
firm0.bin (which is
new3ds90.firm),
firm1.bin (which is
new3ds10.firm),
secret_sector.bin and your personal
otp.bin.
Thanks go to everyone in #cakey on IRC, to delebile for his A9LH implementation, and to StandardBus who hardmodded my consoles and made this possible. Code for writing to the screens is from CakesFW.
Download: https://github.com/AuroraWright/SafeA9LHInstaller/releases