This tool is for v5.5.1-v5.5.2 only (because of the HBL loader). OTP and SEEPROM are required, so it is only for previously hacked consoles with backup of those files. (If you installed redNAND before you should be able to dump those files from your SD)
(If you don't have OTP you can take the OTP from someone else because the USB key is the same).

This tool is very experimental, USE AT YOUR OWN RISK.
This tool is based on WFS File Injector.
Credit for @FIX94 for the Haxchi and for @dimok WFS Block Injector for the inspiration.

Instructions: (READ FIRST)

Preparing the USB

1. It is recommended to use a clean USB and format it for this process. The installer is expermintal and may corrupt the file system.
2. Buy and install one of the supported DS VC games, and move it to the usb.

Installing
Choose one of the following methods:

Method 1: Direct install to the USB (faster but more risky)

1. Connect the USB to your PC, and find out the drive index:
   Open PowerShell (WinKey + R, enter powershell)
   Run the command

   Get-WmiObject Win32_DiskDrive

   Find the DeviceID for your USB (Example: \.\PHYSICALDRIVE3)
2. Open command line with admin privileges (Start Menu -> Search for "Command Prompt" -> Right click wnd "Run as Administrator")
3. Go to the directory with the tool:
   

   cd <where you extracted the files from the zip>

4. Run the installer: (Don't forget to replace \.\PHYSICALDRIVE3 with the correct device)
   

   haxchi-pc-installer --image \\.\PHYSICALDRIVE3 --otp otp.bin --seeprom seeprom.bin

   And follow the instructions.

Method 2: Install on an image (safer)

1. Dump an image of the USB device with tool like Win32DiskImager.
2. It is recommended to backup the image.
3. Open ccommand line (WinKey + R, enter cmd)
4. Go to the directory with the tool:
   cd <where you extracted the files from the zip>
5. Run the installer:
   

   haxchi-pc-installer --image <dumped image file> --otp otp.bin --seeprom seeprom.bin

   And follow the instructions.
6. Flash the image back to the USB.

Finishing
Now just connect the USB back to the Wii U. If you run the game HBL should be opened instead.
Now with HBL access it is recommended to move the game back to the NAND and reinstall haxchi again with the regular Wii U installer.


Download (Source)

 

[GrandZeldaGamer]

This tool is for v5.5.1-v5.5.2 only (because of the HBL loader). OTP and SEEPROM are required, so it is only for previously hacked consoles with backup of those files. (If you installed redNAND before you should be able to dump those files from your SD)
(If you don't have OTP you can take the OTP from someone else because the USB key is the same).

This tool is very experimental, USE AT YOUR OWN RISK.
This tool is based on WFS File Injector.
Credit for @FIX94 for the Haxchi and for @dimok WFS Block Injector for the inspiration.

Instructions: (READ FIRST)

Preparing the USB

1. It is recommended to use a clean USB and format it for this process. The installer is expermintal and may corrupt the file system.
2. Buy and install one of the supported DS VC games, and move it to the usb.

Installing
Choose one of the following options:

Option 1: Direct install to the USB (faster but more risky)

1. Connect the USB to your PC, and find out the drive index:
   Open PowerShell (WinKey + R, enter powershell)
   Run the command

   Get-WmiObject Win32_DiskDrive

   Find the DeviceID for your USB (Example: \.\PHYSICALDRIVE3)
2. Open command line with admin privileges (Start Menu -> Search for "Command Prompt" -> Right click wnd "Run as Administrator")
3. Go to the directory with the tool:
   

   cd <where you extracted the files from the zip>

4. Run the installer: (Don't forget to replace \.\PHYSICALDRIVE3 with the correct device)
   

   haxchi-pc-installer --image \\.\PHYSICALDRIVE3 --otp otp.bin --seeprom seeprom.bin

   And follow the instructions.

Option 2: Install on an image (safer)

1. Dump an image of the USB device with tool like Win32DiskImager.
2. It is recommended to backup the image.
3. Open ccommand line (WinKey + R, enter cmd)
4. Go to the directory with the tool:
   cd <where you extracted the files from the zip>
5. Run the installer:
   

   haxchi-pc-installer --image <dumped image file> --otp otp.bin --seeprom seeprom.bin

   And follow the instructions.
6. Flash the image back to the USB.

Finishing
Now just connect the USB back to the Wii U. If you run the game HBL should be opened instead.
Now with HBL access it is recommended to move the game back to the NAND and reinstall haxchi again with the regular Wii U installer.


Download (Source)

This is amazing! Good Job Dude im on 5.5.2 but am sure i have backed them up
Edit: Correction i don't have seeprom.bin dump but i havent done a factory reset. Is there a seeprom.bin with these characteristics?

 

[nastys]

Can it be used on GNU/Linux if I build it from source?
I assume it can, since I managed to build it successfully.

 

[EyeKey]

Can it be used on GNU/Linux if I build it from source?
I assume it can, since I managed to build it successfully.

Yes, just copy the "data" folder from the zip, and use /dev/sdx

 

[Pikolino]

I have not seeprom.bin backup, if I just use otp.bin to inject the haxchi can I brick the wiiu?
Has anyone tested?

 

[EyeKey]

I have not seeprom.bin backup, if I just use otp.bin to inject the haxchi can I brick the wiiu?
Has anyone tested?

It just won't work. But you can do hardmod and do the same thing to the MLC, because it only uses the otp.bin for the wfs encryption. But it is probably better to wait for new exploit...

 

[GrandZeldaGamer]

It just won't work. But you can do hardmod and do the same thing to the MLC, because it only uses the otp.bin for the wfs encryption. But it is probably better to wait for new exploit...

ok ill wait for the c roll exploited

 

[iAqua]

ok ill wait for the c roll exploited

that might be awhile buddy

 

[Pikolino]

It just won't work. But you can do hardmod and do the same thing to the MLC, because it only uses the otp.bin for the wfs encryption. But it is probably better to wait for new exploit...

It is possible to extract otp and seeprom from emmc nand ?
I had extracted the emmc nand with sd card reader hardmod.

 

[EyeKey]

It is possible to extract otp and seeprom from emmc nand ?
I had extracted the emmc nand with sd card reader hardmod.

I don't understand. Do you have the otp of your console or not? If you do have, and you have sd card reader hardmod, you can just apply my tool on the mlc instead of the usb. (just don't specify the seeprom and use the --mlc flag). It is more risky than doing it for USB of course.

If you don't have it - no it isn't possible to extract them from the nand.

 

[sqloud]

I am on 5.5.1 with cbh, what tool can I use to back up OTP and seeprom for any future f@#& up?

 

[nexusmtz]

I am on 5.5.1 with cbh, what tool can I use to back up OTP and seeprom for any future f@#& up?

NAND Dumper

 

[DarthDub]

Take that, Nintendo!

 

[godreborn]

you're becoming a legend in the wii u scene, my friend.

 

[Masterwin]

Hey guys, just an idea but this might be a solution to you seeprom problem.

The Wii has also a seeprom (it's half the size though). It is accessable through the GPIOs of the Wii. Now the vWii is "fully" hacked as said above. I don't know much about the vWii mode as I literally never even started it on my WiiU since I still got a real Wii right beside my WiiU but if the vWii mode has access to the GPIO HW registers (at least partially it must have access), which are very alike on Wii and WiiU, specifically to the MOSI, MISO, CS and CLK pins, then you could go ahead and dump the seeprom from the ARM side of vWii. Though this might be a dead end and those pins might be locked out for the vWii mode, I really don't know. Sorry I don't have time to check it out myself but if someone wants to try it, good luck .

 

[wolfmankurd]

Thanks this is great, Excellent!

For the confused replies to why you would want this. As I understand it, if you have your seeprom.bin and a otp.bin you can install Haxchi to a WiiU USB device from your PC.This means if you ever loose your softmod you can simply reinstall Haxchi with your PC even if you don't have an entry exploit for the sysNAND (like 5.5.2 which patches the browser).

* seeprom.bin is unique to your WiiU no one can give you a replacement (I believe it changes in a small predictable way with each factory reset).
* otp.bin al WiiU's share this same encryption key.

 

[UveSS]

@EyeKey Thanks you for the tools!! I have made a GUI for your file injector (simple but I think it works well). I posted a thread this morning .Check it if you want and tell me your opinion

 

[GrandZeldaGamer]

Could this mean a new (kinda) exploit for those on 5.5.2? i know your just quoting here (i have modded my vWii before i got updated) but i'm curious, if the pins could be accessed, could this help those who updated but have hacked vWii

 

[tomcaliser]

hello
Please help me
I have do all step but when a enter the code:
haxchi-pc-installer --image \\.\PHYSICALDRIVE4 --otp otp.bin --seeprom seeprom.bin
that done a error:Error: Unexpected WFS Version(bad key???)
So please tell me /I'm a advanced n0o0b LOL
When i try to start haxchi.... Command Prompt closes instantly after opening that

SO I get ANGRY Like this!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Please tell me

 

[YuseiFD]

I know, stupid noob question, but what is this ? (curiosity, i don't own a nintendo console)

 

[godreborn]

I know, stupid noob question, but what is this ? (curiosity, i don't own a nintendo console)

it lets u hack the wii u if on the latest firmware.