Default [q] help help help pls !!! Gt-7000

I have Samsung Gt-7000 then it always repeating in samsung logo .
The other forums i read says i have to download firmware but i dont know what firmware is beacause my phone always repeat in samsung logo
I see this in the back of my phone to know what firmware i have to download

SSN: N7000GSMH
FCC: A3LGTI9220

PLEASE HELP !