I incurred into the infamous error 160-0103 error while trying to make a mii on my never modded nor softmodded 32GB WiiU. I did some research and rapidly found out about the failing Hynix eMMCs and whatnot. Here on GBATemp I found the "Ultimate WiiU Troubleshooting Guide" and realized it was...
sorry, beein trying to find this file that's been right in front of me for a month now, only to find broken links, and google to prove that it's completely worthless.