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Why You Need Wii NAND Backup Files and How to Get Them


Wii NAND Backup Files Download: A Step-by-Step Tutorial




Do you want to backup your Wii's internal memory and save data? Do you want to restore your Wii to a previous state or unbrick it if something goes wrong? If you answered yes to any of these questions, then you need to learn how to download Wii NAND backup files and use them with a tool called BootMii.




wii nand backup files download



Wii NAND backup files are copies of the entire contents of your Wii's NAND flash memory, which is the built-in memory of the Wii console. It houses the Wii Menu, downloaded channels, save data, and system files. Some games may require files only found in a full NAND dump to work correctly on an emulator or a modded console.


Downloading Wii NAND backup files is not difficult, but it requires some preparation and patience. In this article, we will show you how to do it step by step, using a homebrewed console with BootMii installed, a SD card, and a PC. Let's get started!


Step 1: Dumping NAND with BootMii




The first step is to dump your Wii's NAND using BootMii, which is a custom bootloader that can be installed as an IOS or as boot2 (if your Wii is compatible). BootMii allows you to access the low-level functions of your Wii, such as backing up and restoring the NAND, even if the system is bricked.


To dump your NAND with BootMii, you will need:


  • A homebrewed console with BootMii installed. If you don't have it yet, follow this guide to install it.



  • A SD card with at least 528 MB of free space.



  • A GameCube controller or the Power and Reset buttons on your Wii.



Once you have everything ready, follow these steps:


  • Insert the SD card into your Wii and turn it on.



  • Access BootMii through the Homebrew Channel. You should see a black screen with four icons.



  • Use a GameCube controller or the Power and Reset buttons to navigate through the BootMii menus, as detailed here.



  • Select Options (the gears icon) on the far right.



  • Select Backup NAND (the green arrow from chip to the SD card), and wait until it completes. This may take several minutes.



  • Once completed, remove the SD card and put it into your PC. You should see a file named nand.bin on the SD card. If you do, your NAND has been backed up successfully.



Step 2: Extracting NAND files on PC




The next step is to extract the files from nand.bin using a program called Ohneschwanzenegger, which is a tool for creating, formatting, and writing to a nand.bin. It allows you to browse and modify the contents of your NAND backup, or create a new one from scratch. It can be compiled on Windows, Linux or Mac OS X using Qt.


To extract your NAND files on PC, you will need:


  • The nand.bin file that you obtained from Step 1.



  • The keys.bin file that contains your Wii's AES and HMAC keys. You can get it from BootMii by selecting Options (the gears icon) and then Dump Keys (the key icon).



  • The Ohneschwanzenegger program for your operating system. You can download it from here for Windows or here for Mac OS X. You may also need to install the Qt SDK from here.



Once you have everything ready, follow these steps:


  • Copy the nand.bin and keys.bin files to the same folder where Ohneschwanzenegger is located.



  • Run Ohneschwanzenegger.exe (Windows) or Ohneschwanzenegger.app (Mac OS X).



  • Select File -> Open Nand (Ctrl+O) and browse for your nand.bin file.



  • Select File -> Extract All Files (Ctrl+E) and choose a destination folder for the extracted files.



  • Wait until the extraction process is finished. You should see a folder named nand_root with several subfolders and files inside.



Step 3: Using NAND files with Dolphin Emulator




The final step is to use your extracted NAND files with Dolphin Emulator, which is a cross-platform emulator that can run Wii and GameCube games on your PC. Dolphin can use your NAND backup to emulate the Wii Menu, downloaded channels, save data, and network services.


To use your NAND files with Dolphin Emulator, you will need:


  • The nand_root folder that you obtained from Step 2.



  • The latest version of Dolphin Emulator for your operating system. You can download it from here.



Once you have everything ready, follow these steps:


  • Run Dolphin Emulator.exe (Windows) or Dolphin.app (Mac OS X).



  • Select Tools -> Import BootMii NAND Backup.



  • Browse for your nand_root folder and click OK.



  • Dolphin will decrypt and unpack the NAND files into its User/Wii folder. Device credentials and system files required for network services emulation will also be extracted automatically.



  • Wait until the import process is finished. You should see a message saying "NAND imported successfully".



Congratulations! You have successfully downloaded Wii NAND backup files and used them with Dolphin Emulator. You can now launch the Wii Menu by selecting Tools -> Load Wii System Menu or any channel by right-clicking on it in the game list. Enjoy!


Step 4: Writing NAND files to a Wii




If you want to restore your Wii to a previous state or unbrick it using your NAND backup files, you will need to write them back to your Wii's NAND flash memory. This is a risky process that can potentially damage your Wii if done incorrectly, so proceed with caution and follow the instructions carefully.


To write your NAND files to a Wii, you will need:


  • The nand.bin file that you obtained from Step 1 or created with Ohneschwanzenegger.



  • A homebrewed console with BootMii installed as boot2. This is required because writing to the NAND can only be done from boot2. If you don't have BootMii installed as boot2, you can try using a flash programmer instead, but this is beyond the scope of this article.



  • A SD card with at least 528 MB of free space.



  • A GameCube controller or the Power and Reset buttons on your Wii.



Once you have everything ready, follow these steps:


  • Copy the nand.bin file to the root of your SD card.



  • Insert the SD card into your Wii and turn it on.



  • BootMii should load automatically. If not, access it through the Homebrew Channel.



  • Use a GameCube controller or the Power and Reset buttons to navigate through the BootMii menus, as detailed here.



  • Select Options (the gears icon) on the far right.



  • Select Restore NAND (the red arrow from the SD card to the chip), and wait until it completes. This may take several minutes.



  • Once completed, remove the SD card and restart your Wii. You should see your Wii restored to the state of your NAND backup.



Step 5: Troubleshooting and Tips




If you encounter any problems or errors while downloading or using Wii NAND backup files, here are some tips and solutions that may help you:


  • If you get an error message saying "NAND dump is from another Wii" when trying to import your NAND with Dolphin, make sure you have the correct keys.bin file that matches your nand.bin file. You can get it from BootMii by selecting Options (the gears icon) and then Dump Keys (the key icon).



  • If you get an error message saying "NAND dump is too small" when trying to import your NAND with Dolphin, make sure your nand.bin file is not corrupted or incomplete. It should be exactly 528 MB in size. You can verify it by checking its MD5 checksum with a tool like WinMD5Free.



  • If you get an error message saying "Bad blocks detected" when trying to dump or restore your NAND with BootMii, don't panic. Bad blocks are normal and expected in NAND flash memory. They are marked as unusable by the system and do not affect the functionality of your Wii. However, if you have more than 80 bad blocks, you may want to replace your Wii's NAND chip or use a flash programmer instead.



  • If you want to use Wiimmfi, a custom server that allows online play for Wii games after Nintendo shut down their servers, you need to follow the instructions in Automatic Import instead of Manual Import when using Dolphin. This is because Wiimmfi requires device credentials and system files that are only extracted by Dolphin's automatic import feature.



  • If you want to create a new nand.bin file from scratch using Ohneschwanzenegger, you need to provide some data from a real Wii, such as keys.bin, the first 8 blocks of nand, and a list of bad blocks. You can get them from a BootMii NAND dump or from another source. However, this is not recommended unless you know what you are doing, as it may result in an incompatible or non-functional nand.bin file.



We hope this article has helped you learn how to download Wii NAND backup files and use them with BootMii and Dolphin Emulator. If you have any questions or feedback, feel free to leave a comment below. Happy gaming!


Conclusion




In this article, we have shown you how to download Wii NAND backup files and use them with BootMii and Dolphin Emulator. We have explained what Wii NAND backup files are, why you may need them, and how to dump, extract, import, and write them to your Wii or PC. We have also provided some troubleshooting and tips for common issues and scenarios.


Downloading Wii NAND backup files can be a useful way to backup your Wii's internal memory and save data, restore your Wii to a previous state or unbrick it if something goes wrong, or emulate the Wii Menu, downloaded channels, save data, and network services on your PC. However, it is also a risky process that can potentially damage your Wii if done incorrectly, so proceed with caution and follow the instructions carefully.


We hope you have enjoyed this article and learned something new. If you have any questions or feedback, feel free to leave a comment below. Thank you for reading and happy gaming! b99f773239


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