Samsung SHV-E250L MSL Reset error… need help

This phone in 100% working condition and I just wanna change IMEI. All operation done with current version ( 23.9 )
Phone in 4.4.2 E250LKLUKNL1 firmware.

Read EFS

Quote:

Operation: Read EFS
Selected model: SHV-E250L
Selected port: COM137 SAMSUNG Mobile USB Serial Port
Software version: 23.9

Waiting ADB device… OK
Reading phone info…
Model: SHV-E250L
Android version: 4.4.2
Product code: Not Active
Phone version: E250LKLUKNL1
PDA version: E250LKLUKNL1
CSC version: E250LLGTKNL1
CSC country code: KOREA
CSC sales code: LGT
HW version: E25.07
Phone S/N: R33D607DHK
Modem board: MDM9x15
RF cal date: 2013.06.13
IMEI: 35778505024686
Checking Super user right… true
Reading EFS from phone… OK
Saved to C:\Program Files\Z3X\Samsung\SamsungToolPRO\backup\EFS\EFS_SH V-E250L_E250LKLUKNL1_35778505024686_R33D607DHK_9-1-2016_18-49-40.tar

Done with Samsung Tool PRO v.23.9


Read QCN

Quote:

Operation: Read QCN
Selected model: SHV-E250L
Selected port: COM137 SAMSUNG Mobile USB Serial Port
Software version: 23.9

Reading ID… OK
Detected ID: 00000FE6 (SURF9615)
SW Version: M9615A-CEFWMAZM-3.0.12109.193123
Reading ESN… OK
Backuping RFNV… OK
Backuping Feature Mask… OK
Backuping NV Item… OK
Backuping NV Item SIM1… OK
Backuping NV Item SIM2… OK
Backuping Provisioning Item Files… OK
Reading QCN done success

Done with Samsung Tool PRO v.23.9


Read Sec

Quote:

Operation: Read SEC
Selected model: SHV-E250L
Selected port: COM137 SAMSUNG Mobile USB Serial Port
Software version: 23.9

Waiting ADB device… OK
Reading phone info…
Model: SHV-E250L
Android version: 4.4.2
Product code: Not Active
Phone version: E250LKLUKNL1
PDA version: E250LKLUKNL1
CSC version: E250LLGTKNL1
CSC country code: KOREA
CSC sales code: LGT
HW version: E25.07
Phone S/N: R33D607DHK
Modem board: MDM9x15
RF cal date: 2013.06.13
IMEI: 35778505024686
Checking Super user right… true
Backuping MMCBLK… OK
Saved to C:\Program Files\Z3X\Samsung\SamsungToolPRO\backup\SEC\SHV-E250L_9-1-2016_18-51-25_backup.tar

Done with Samsung Tool PRO v.23.9


Reset MSL

Quote:

Operation: Reset MSL
Selected model: SHV-E250L
Selected port: COM137 SAMSUNG Mobile USB Serial Port
Software version: 23.9

Reading phone info…
Reading IMEI… OK
IMEI: 0
Reseting MSL security… error

Done with Samsung Tool PRO v.23.9


All backup uploaded to this link

I need help to fix this….:confused::confused::confused: