best usb card for amiko alien 2

[blackice]

hi all have a amiko alien 2 im trying to update cant get it to read a usb i have tried 4 different sandisk of different sizes any advise on one that will work

 

[soarsy1]

I use a 4gb Sandisc formatted fat32 and have to use the USB port at the back ! Also make sure you have unzipped the flies that you are trying to use !