s5830i made by vietnam-no network in india-but in UAE no problem.
 

customer using the set in United arab emirates with out any problem.but in india no network.

imei and baseband ok.i flashed using two files-still network symbol in screen ok.but out of coverage,

why such problems?????

Try with this firmware & post result.

Hotfile.com: One click file hosting: S5830IXXMB1_S5830IODDLK1_INU.zip

Br,

flashed in riff using file """s5830i read by working phone""" -set ok

thank u

pls. upload the file that you used.........:)