WARNING ⚠️: This guide is now USELESS! I wrote this guide a year ago, when Splatoon 3 hadn't officially released yet, and it's incredibly outdated. Playing Splatoon 3 online on Ryujinx has gotten way ...
Download the finished Ender3_4.2.2-HappyNET_Firmware.bin file Here and copy it to a micro SD card, then plug it into the printer and start it. The firmware update is done automatically! Your own ...