imei null i9505 4.4.2


Selected model: I9505
Selected port: COM4 Z3X BOX Serial Port
Selected port speed: 115200
Searching ADB device… OK
Reading phone info…
Model: GT-I9505
Android version: 4.4.2
Product code: Unknown
Phone version: Unknown
PDA version: I9505XXUGNG4
CSC version: I9505OLBGNG1
IMEI: Unknown
Phone S/N: Unknown
Checking Super user right… true
Backuping MMCBLK… OK
Writing data to phone… OK
Rebooting phone… OK
Waiting phone… OK
Reading phone info…
Model: GT-I9505
Android version: 4.4.2
Product code: Unknown
Phone version: Unknown
PDA version: I9505XXUGNG4
CSC version: I9505OLBGNG1
IMEI: Unknown
Phone S/N: Unknown
Bypass MSL… error
Done with Samsung Tool v.18.9

any idea or solution would be helpful