QMobile X70 V2 LINQ ,HANG ON LOGO DON

[love_4all]

1. Power off the phone.
2. Please insert USB cable within 20 seconds.
19:59:02
19:59:14 Connecting...
19:59:15 CPU TYPE:MT6582
19:59:15 Hardware version:CB00
19:59:15 Software version:0001
19:59:15 SecCfgVal :0x00000000
19:59:15 BromVersion :0xFF
19:59:15 BLVersion :0x01
19:59:17 Boot downloading...
19:59:20 EMMC_ID:0x90014A483847326404050CA27DF4A107
19:59:20 EMMC_PRODUCT_NAME: 0x483847326404
19:59:20 EMMC_BOOT1_SIZE: 0x00400000
19:59:20 EMMC_BOOT2_SIZE: 0x00400000
19:59:20 EMMC_PRMB_SIZE: 0x00400000
19:59:20 EMMC_GP1_SIZE: 0x00000000
19:59:20 EMMC_GP2_SIZE: 0x00000000
19:59:20 EMMC_GP3_SIZE: 0x00000000
19:59:20 EMMC_GP4_SIZE: 0x00000000
19:59:20 EMMC_USER_SIZE: 0x1D2000000(7.28 G)
19:59:20
19:59:20 Detected : MediaTek USB Port (COM25)
19:59:20 Finding partition.
19:59:21 Backup file,please wait a moment...
19:59:21 Read build file Failed, the program has terminated.

19:59:21 Read phone info Failed.

20:01:15
20:01:15 Operation:
1. Power off the phone.
2. Please insert USB cable within 20 seconds.
20:01:15
20:01:23 Connecting...
20:01:24 CPU TYPE:MT6582
20:01:24 Hardware version:CB00
20:01:24 Software version:0001
20:01:24 SecCfgVal :0x00000000
20:01:24 BromVersion :0xFF
20:01:24 BLVersion :0x01
20:01:25 Boot downloading...
20:01:29 EMMC_ID:0x90014A483847326404050CA27DF4A107
20:01:29 EMMC_PRODUCT_NAME: 0x483847326404
20:01:29 EMMC_BOOT1_SIZE: 0x00400000
20:01:29 EMMC_BOOT2_SIZE: 0x00400000
20:01:29 EMMC_PRMB_SIZE: 0x00400000
20:01:29 EMMC_GP1_SIZE: 0x00000000
20:01:29 EMMC_GP2_SIZE: 0x00000000
20:01:29 EMMC_GP3_SIZE: 0x00000000
20:01:29 EMMC_GP4_SIZE: 0x00000000
20:01:29 EMMC_USER_SIZE: 0x1D2000000(7.28 G)
20:01:29
20:01:29 Detected : MediaTek USB Port (COM25)
20:01:29 Finding partition.
20:01:29 Orignal preloader backup path:C:\Inferno_Volcano_MTK\backup\preloader_j220_ qmobile_82_20161003_200129.bin
20:01:39 Flash writing...