Most games in Yuzu run using just high-quality decryption keys (prod.keys). However, the firmware becomes essential for:
: A small percentage of games (roughly 1%) rely on specific calls to the firmware to get past the main menu. How to Install Firmware 15.0.1 in Yuzu yuzu 15.0.1 firmware
Installing firmware involves placing a set of .nca files into Yuzu’s internal NAND folder. Most games in Yuzu run using just high-quality