Amy Winehouse

DS flash carts confusing me help please?

My card is black and silver and says this on it:

R4
Upgrade
Revolution for DS
(NDSL/NDS)
www.r4i-sdhc.com

i am sick and tired of the crappy firmware i have to put up with on my card.. its so slow and buggy and i just found this firmware which looks great on youtube but im unsure if it will work i think my R4 is a original and not fake but i dont know im gonna be really dissapointed if i can’t use it hmm and will just have to buy and try out another card would appreciate help with whats the best replacement tooo please

thank you for any help

http://gbatemp.net/t233738-wood-firmware-v1-09