lumia 520 flash error


Hi i can’t flash this phone please help

Nokia Phone Info Mode Initiated…
Please wait upto 15 Seconds for SW Reset
IMEI: 357257054918615
Version: 1.1.1.3
Product Code: 059S3T5
Module Code: 0205435

Continuing Previous Boot…
Please wait upto 30 Seconds for Boot Re-entry

Boot Flash Mode Successful…
Buffers Flushed OK…

Phone Info Query Start…
Blocks Returned: 0x07 Blocks
Block ID 0x01 : 00241000
Block ID 0x02 : 00240000
Block ID 0x03 : 00E90000
Block ID 0x05 : Nokia.MSM8227.P6036.1.2
Block ID 0x0D : 0001
Block ID 0x0F : 0301010100000101FF
Block ID 0x10 : 0100130000
Checking SD Card Size…
Card Size: 0x00000000
Checking Platform Security Status…
Platform Secure Boot Status: Active
Secure FFU EFUSE Status: Active
Debug Status: Active
RDC Status: Not Active
Authentication Status: Not Active
UEFI Secure Boot Status: Active
Checking Secure FFU Mode…
Secure FFU Mode :
Query Flash App Information…
Flash App Information: 02010F011C00
UEFI App: FLASH APP
Flash App Protocol Version: 1.15
Flash App Implementation Version: 1.28
Query ROOT KEY HASH…
ROOT_KEY_HASH: F771E62AF89994064F77CD3BC16829503BDF9A3D506D3FACEC AEF3F808C868FD
Query PUBLIC ID…
PUBLIC_ID: 673C3716F76595846A17D2D36D38E1E68BF12709
Query eMMC Info…
EMMC Manufacture ID: SAMSUNG
EMMC Product SN : C9052FDE
EMMC_SIZE: 8 Gigabytes
Query Battery Charge Status…
BATTERY CHARGE_STATUS: 89%

Sending Image Signatures…
ERROR: Flash Signature Block REJECTED! (0x11068000000E00000000)
This Flash File is NOT COMPATIBLE with this Phone.
ERROR: Flashing Failed!