lumia 625 write protection remove fail

i have lumia 625 which displays unable to boot press to shutdown.i have tried to remove write protection so i can flash it but am unable to do.
if anyone can help me out ,this my log

Z3X EasyJtag Software ver.
Loading eMMC Addon Firmware… IO: 2800 mV
Box S/N: , ,FW Ver.: 01.52
CMD Pullup Level:2041 mV
CMD Active Level:2330 mV
HiPower™ mode is ON!
eMMC Device Information
EMMC CID : 1501004D3847325943005A4E4B7C8076
EMMC CSD : D02701320F5903FFF6DBFFEF96406006
EMMC Manufacturer ID: 0015 , OEM ID: 0100
EMMC Date: 08/2013 Rev.0x0
EMMC NAME: M8G2YC , S/N: 1515080572
EMMC NAME (HEX): 4D384732594300
EMMC ROM1 (Main User Data) Capacity: 7456 MB
EMMC ROM2 (Boot Partition 1) Capacity: 4096 kB
EMMC ROM3 (Boot Partition 2) Capacity: 4096 kB
EMMC RPMB (Replay Protected Memory Block) Capacity: 512 kB
EMMC Permanent Write Protection: Yes
EMMC Temporary Write Protection: No
Extended CSD rev 1.5 (MMC 4.41)
Boot configuration [PARTITION_CONFIG: 0x38] Boot from:ROM1 (Main User Area)
Boot bus config [177]: 0x00 , width 1bit , Partition config [179]: 0x38.
H/W reset function [RST_N_FUNCTION]: 0x01
Backup saved: M8G2YC_1515080572_20160220_1659.extcsd
Searching for partition tables…
Read Pages Failed, Reason: CARD Ready Timeout Error
Partitioning not detected…

Running:SAMSUNG: Remove Write Protection…
Z3X EasyJtag Software ver.
Skip loading eMMC Addon Firmware
CMD Pullup Level:2041 mV
CMD Active Level:2330 mV
Removing write protection…
Can’t remove write protection, Reason: CMD CRC Error