mt6582 cant write in merapi 1.4.4

> Connecting…
16:52:33 > CPU TYPE:MT6582
16:52:33 > Hardware version:CA01
16:52:33 > Software version:0001
16:52:33 > SecCfgVal :0x00000000
16:52:33 > BromVersion :0xFF
16:52:33 > BLVersion :0x01
>>Boot downloading complete!
16:52:36 > EMMC_ID:0x4B0108654D4350202010B22237A77113
16:52:36 > EMMC_PRODUCT_NAME: SAMSUNG :0x654D43502020
16:52:36 > EMMC_BOOT1_SIZE: 0x00400000
16:52:36 > EMMC_BOOT2_SIZE: 0x00400000
16:52:36 > EMMC_PRMB_SIZE: 0x00400000
16:52:36 > EMMC_GP1_SIZE: 0x00000000
16:52:36 > EMMC_GP2_SIZE: 0x00000000
16:52:36 > EMMC_GP3_SIZE: 0x00000000
16:52:36 > EMMC_GP4_SIZE: 0x00000000
16:52:36 > EMMC_USER_SIZE: 0x1CD000000(7.20 G)
16:52:36 >
16:52:38 > Flash writing…

stock i here ….
i cant write the backup file please help me ……