To help you get your backup system fully operational, please let me know:
If you‘re installing games to actual Wii U hardware, remember that you need either REDNAND or sysNAND custom firmware to play downloaded titles. The games themselves won‘t run on an unmodified console. title keys for wii u usb helper upd
These tools avoid the “Upd” error because they either run natively on the console or are maintained by active developers. To help you get your backup system fully
Wii U Title Keys are unique alphanumeric strings used to encrypt and decrypt content on the Wii U. Every game, DLC, and update has its own specific key. Wii U Title Keys are unique alphanumeric strings
If the database loads but games are missing, ensure your "Region" settings in the USB Helper options are set to include USA, EUR, and JPN. Some keys are region-specific. The "Permanent" Fix