converted i337 to i9500-again flashed i337 file-now no ring

customer came with converted i337 set.(means i337 converted to i9500)

he said again need i337 because of hang problem-so i flashed using i337 files-flashing ok-logs as below

elected firmware file: I337UCUEMK2_I337UCUEMK2_Android_4.3.oct
Please put the phone into Download Mode and connect USB cable.
To put SGH-I337 into Download Mode, You have to perform the
following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" + "Home" + "Power ON" keys.
3. When phone turns on, press "Volume+" key.
Found phone on
Firmware write started.
Writing SBL1 section…
SBL1 section has been written successfully.
Writing SBL2 section…
SBL2 section has been written successfully.
Writing SBL3 section…
SBL3 section has been written successfully.
Writing RPM section…
RPM section has been written successfully.
Writing ABOOT section…
ABOOT section has been written successfully.
Writing TZ section…
TZ section has been written successfully.
Writing BOOT section…
BOOT section has been written successfully.
Writing RECOVERY section…
RECOVERY section has been written successfully.
Writing PERSDATA section…
PERSDATA section has been written successfully.
Writing SYSTEM section…
SYSTEM section has been written successfully.
Writing MDM section…
MDM section has been written successfully.
Writing APNHLOS section…
APNHLOS section has been written successfully.
Writing CACHE section…
CACHE section has been written successfully.
Writing HIDDEN section…
HIDDEN section has been written successfully.
Firmware writing successfully completed.

now all r ok-but incoming call no sound and white display only

help me