No read flash in factory format BGH A5

>>Connecting…
>>CPU TYPE:MT6572
>>Hardware version:CA01
>>Software version:0000
>>SecCfgVal :0x00000000
>>BromVersion :0xFF
>>BLVersion :0x01
>>Boot downloading complete!
>>EMMC_ID:0x90014A4834473164040504A24247122D
>>EMMC_PRODUCT_NAME: 0x483447316404
>>EMMC_BOOT1_SIZE: 0x00400000
>>EMMC_BOOT2_SIZE: 0x00400000
>>EMMC_PRMB_SIZE: 0x00400000
>>EMMC_GP1_SIZE: 0x00000000
>>EMMC_GP2_SIZE: 0x00000000
>>EMMC_GP3_SIZE: 0x00000000
>>EMMC_GP4_SIZE: 0x00000000
>>EMMC_USER_SIZE: 0x0E9000000(3.64 G)
>>
>>Find partition success.
>>Backup file finish.
>>MTKxCPU MT6572
>>ProdName P172R10
>>ProdModel BGH Joy Smart A5C
>>Device P172R10
>>AndroidVer 4.4.2
>>Brand BGH
>>MTKxPRJ BGH_AR_FQB25D_P172R10V1.0.0
>>Reading preloader.bin .
>>Reading failed
>>Backup factory file failed! ErrorCode:15 :confused::confused::confused: