History: 3.3J > 4.1J > 4.0U and homebrew(I was scammed) > 4.1U(ModMii update) Questions: 1. What's the bannerbomb's use? 2. I hack my wii because I want to play BIT.TRIP series(beat and runner excluded), but when I load Fate and Fluxm the wii Hangs, should I update? 2a1. If yes, should I update to 4.2 or 4.3? 2a2. What's the con of updating 4.1 to 4.2 or 4.3 with ModMii? 2b. If no, what I should do? 3. Can I use USB to hack Wii or ONLY SD cards?