Originally Posted by ahmadjan0098
i have z3x box . i had xxunfb3 4.4.2
help me . how to repair efs . z3x not connect downloading
where is 4 file rom xxunfb3 download link???
if the box not connecting then i think the problem will be in either drivers or cable
try checking those
you mean I9500XXUFNB3??
for the 4 file rom check on sammobile.com/firmwares/