I heard i have to format any sd card bigger than 32gb. Is this true? Just got my 2ds today I plan on using rx tools to put cfw on it. would this sd card work http://www.amazon.com/gp/aw/d/B00HI...=36701&pf_rd_p=2068141862&pf_rd_i=mobile&th=0 lastly i heard i have to use .cia files instead of .3ds is this is true? and how does one exactly install .cia files for use.