Cannot flash lumia 520

Hello,

Below is the log :

Basic Phone Information
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SW Version : 3058.50000.1425.0004
IMEI Plain : 359205051434613
Phone Type : RM-914
HW Version : 1501
Product Code : 059S2J2
Module Code : 0205435
PSN Number : CVH353604
Operator Name : TIM-IT
Phone Version : BuildDate : Jun 18 2014 , BuildType : Release , HelloString : NCSd for WP8 , Version : 3.7
Manufacturer ID : RM-914_eu_italy_248
Security Mode : Restricted

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Extended Phone Information
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Public ID : D3956DA6C42BF105C393C1DAA7B95FB510AB98B1
Wireless Lan 0 ID: A4:77:60:4B:72:B8
Wireless Lan 1 ID: A4:77:60:4B:72:B9
Wireless Lan 2 ID: A4:77:60:4B:72:BA
Wireless Lan 3 ID: A4:77:60:4B:72:BB
Bluetooth ID : A4:77:60:4A:91:5C

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Simlock Information
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SIMLOCK STATE : Not Locked

Booting Flash Mode Initiated…
Please wait upto 15 Seconds for HW Reset
ERROR: NON Windows 8/8.1 Phone detected!
ERROR: Flashing Failed!