Help I9300 exynos4 imei repair problem

[OncleOh]

I have one I9300 exynos4 platfom that i can not fix imei, phone does not have any hw damage. Here is my log:

Selected model: I9300
Selected port: COM5 Z3X BOX Serial Port
Selected port speed: 115200
Searching Samsung modem... detected COM4
Reading phone info...
Software version: I9300XXALF2/I9300ODDALF1//I9300XXALF2
IMEI:
Product code: XXXXXXXXXXXXXX
Done with Samsung Tool v.16.1

when i make the repair imei i get these:

Selected model: I9300
Selected port: COM5 Z3X BOX Serial Port
Selected port speed: 115200
Searching ADB device... OK
Reading phone info...
Model: GT-I9300
Android version: 4.0.4
Product code: Unknown
Phone version: Unknown
PDA version: I9300XXALF2
CSC version: I9300ODDALF1
IMEI: null
Phone S/N: Unknown
Checking Super user right... true
Reading data from phone... OK
Repairing network settings... OK
Writing data to phone... OK
Rebooting phone... OK
Now connect phone to UART cable
Checking phone at COM5
No answer from phone
Done with Samsung Tool v.16.1

Tred everything, reflashed, reflashed repair EFS, tested cable, but still no luck.Any idea?

Regards!
Leo