GT-I9505 S4 4.4.2 3G not working but 2G Edge working help

2G working fine. Gsm service working fine. everything is working but just 3G not working. only 2G mobile data showing also tried change setting of network mode but no success.

also dial this code. *#*#4636#*#* but nothing happen with this code.

also repaired network.
also write modem file download form support.
may be nvm disturbed. i need nvm file.

or any other solution????????