Hi i was using 3.75G HSUPA USB Adapter on my mcbook in india and was working very bad ( i had a bad connection ) ,so i make a big mistake
i try to download the last firmware using the stick online and now my trakpad get super wird , not all the time but many is making what he want , can somebody help me or i need to go on a apple service , than another question now i manage to download the firmware but how to install on the stick ?
thank u to all the one can send me some help
shahzada