samsung GTI 9505 imei unknown Done with Samsung Tool PRO v.23.4

i tried to reset MSL but it shows this error with done

Operation: Reset MSL
Selected model: GT-I9505
Selected port: COM13 SAMSUNG Mobile USB Serial Port
Software version: 23.4

Reading phone info...
Reading IMEI... error
Reseting MSL security... error
Reseting... OK
Reset MSL done

Done with Samsung Tool PRO v.23.4



then tried to write imei but it shows these


Operation: Repair
Selected model: GT-I9505
Selected port: COM13 SAMSUNG Mobile USB Serial Port
Software version: 23.4

Waiting ADB device... OK
Reading phone info...
Model: GT-I9505
Android version: 4.4.2
Product code: Not Active
Phone version: L720VPUAMDC
PDA version: I9505XXUFNB7
CSC version: L720SPTFNAE
CSC country code: USA
CSC sales code: TGY
HW version:
Phone S/N: 00000000000
Modem board: MDM9615M
RF cal date: NONE
IMEI:
Initialization AT RIL... OK
Bypass MSL... error (2)
First reset MSL

Done with Samsung Tool PRO v.23.4