My guess is your not going to get much help in s4 forums as it is after all a fake and most likely nothing for genuine s4 will work.
Sent from my GT-I9505 using xda app-developers app
Update: 17th november 2013
Samsung G S4 stock BMG4 + root
with cf-auto root + philz recovery.
HTC Desire HD
(Hboot 2.00.0029 AND S-OFF)
SVHD V 2.1.0
Retired HTC Legend