Imei repair problem


hi all dear members
i have issue when repair imei(invalid imei) with cm2mtk i always get this after being done here is the problem

phone got on screen

=> TOOL DL image Fail !
=> uboot is blocking by dl info

after that i have to flash with sp flash tool then repair with other box
am i doing some thing wrong or what
thnx a lot

Code:

Start  at : [2/3/2016 / 10:16:33 PM]
Operation : Repair Security [ v1.40 ]

1. Power Off Phone , Remove battery , Insert back
2. Insert USB cable. In some cases require hold BootKey

Wait for phone...
Phone found! [ 20 ]
Sync...
Inital regs read done
Boot Info :
BB_CPU_ID : 6572
BB_CPU_HW : CA01
BB_CPU_SW : 8A00
BB_CPU_SB : 0000
BB_CPU_NM : [MediaTek] MT6572_S00
Processing BROM stage
BLVersion : 0x01
SecCfgVal : 0x00000000
BromVersion : 0xFF
BLVersion : 0x01
Preloader Status : Alive
Processing DA stage
DA Select done , sending
DA Ver : MTK_AllInOne_DA_v5.1540.01.01
NAND_ID : 00000000000000000000000000000000
eMMC_ID : 1501004E355530304D0247F1C85B4109
DA Stat : v4.2 on BBID : 0x88
DA Sent. Configure setting now ...
DA started successuflly
eMMC FlashIC initialized
[eMMC] : FLASH_VEN : 0015 , OEM : 0100
[eMMC] : FLASH_INF : [SAMSUNG] , M00U5
[eMMC] : FLASH_CID : 1501004E355530304D0247F1C85B4109
[eMMC] : FLASH_EXT : 0x00200000 , 0x00200000 , 0x00020000
[eMMC] : FLASH_LEN : 0x00000000E9000000
[eMMC] : FLASH_UCP : 3728 MiB
INT RAM    : 0x00020000
EXT RAM    : 0x20000000
BOOT TYPE  : EMMC_FLASH_BOOT
SOC VERIFY : C1
Boot Ok!

Set IMEI [00] : 865551561854189
Set IMEI [01] : 865233256126518
Prepare finished. Security check required!

Wait for phone...
Phone found! [ 20 ]
Sync...
PostCheck Ok! Repair done!