# Aroma {docsify-ignore-all} ## Making a NAND Backup In case anything should go wrong in the later process and your Wii U ends up bricked, restoring a previously made NAND backup can fix it. ### Instructions ?> The Wii U MLC is (depending on your model) either 8GB or 32GB. As a result of this, to create a full backup of your console's NAND, your SD Card has to be larger than the size of your MLC. If you do not have a large enough SD Card, you can skip the optional `MLC` section which includes save files and game data and is not needed to recover any type of brick. ?> Restoring a NAND Backup on the Wii U requires ISFShax or additional hardware and microsoldering skills.
However, making a NAND Backup is **always** useful, so please do not skip it.
Your NAND Backup is unique to your system. Backups from other consoles **won't** work without the required knowledge. 1. Navigate to `nanddumper` using the GamePad and press A to launch it. 2. Use the Wii U GamePad's D-Pad to enter the following configuration: ![SLC: Yes, SLCCMPT: Yes, MLC: Yes or No, OTP: Yes, SEEPROM: Yes](../docs/assets/img/guide/NAND.png) - MLC is **OPTIONAL**, if you do not want to dump it, leave it on `No`. If you do want to dump it, make sure you have a SD Card big enough for it and put it on `Yes`. 3. Press the A button to start the dumping process. 4. When the process is completed, power off your Wii U, take your SD Card out of the Wii U and plug it into your PC. 5. To make sure you don't lose the files, copy the `slc.bin`, `slccmpt.bin`, `seeprom.bin`, `otp.bin` (and if you chose to go with a full backup, `every mlc.bin.part` file) to somewhere safe (Documents, Google Drive, OneDrive, etc.) on your computer. - They will appear on the root of the SD Card. 6. Delete the files you just copied from your SD Card to free up space.