[Q] s4 i545 imei null/null baseband unknown topic

Hello respected devs
I have problem of null imei and unknown baseband after flashing of
a touchwiz base theme with editing the permissions in a folder within the system folder..
What have i done so far..
1 flashed stock rom via odin
2 flashed factory image and pit via odin
3 Tried using efs professional to backup efs and then restore but it didnt worked
4 Used other efs back up and restore apps.
Nothing worked
I dont have access to any box like octopus or z3x etc..
I ll be very thankful if you guys help me out.