The phone 'INFO' app shows that you have N7100 UAE XSG firmware and is up to date:
Here is your firmware:
Model: [ Login above or register to see download links. ]
Model name: GALAXY Note II
Country: United Arab Emirates
Version: Android 4.4.2
Changelist: N/A
Build date: Thu, 01 Jan 1970 00:00:00 +0000
Product Code: [ Login above or register to see download links. ]
PDA: N7100XXUFND4
CSC: N7100OJVFND3
MODEM: N7100XXUFND3

All OK there, but looks like you have damaged the modem file.
Take a look here for how to repair it:
[ Login above or register to see download links. ]