Hacking gateway flash card questions?

[Hashem_b]

hello everyone
i just recieved my gateway and dstwo flash cards for my 3ds XL
and im wondering if somone can guide me through it so i can set both cards up
whethen using video which is better for me, the one i found on youtube is for 2.0 as far as i know gateway realesed the omega 2.2 and there is some different i guess..!
and the same for dstwo
if someone can give me a link to set both flash up on my 3ds
(note: im planning to play 3ds games which runs in 5.1 or 6.2 fw such as LBW so is that oki?)
could someone please explain me the saving in the gateways like how do i save and resume (load)
cause i heared the gateway save games and ppl are forcing the cartige out or power off the system?
i still didnt get the saving thing in the gateway.

thanks all

 

[Hashem_b]

Guys whats the best micro sd card i can use for my gateway & dstwo? Sandisk 32gb sdhc is that a good one and sandisk 8gb
Hc ?

 

[Hashem_b]

Ill check that
N im planning to play lbw and oot for now but ill download more later
So do u think sandisk is a good micro sd for the gateway?

 

[IronClouds]

I used SanDisk and it's fine.