G610-u20====boot error

cm2 info
Operation : Check / Read Info [ 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! [ 7 ]
Sync…
Inital regs read done
Boot Info :
BB_CPU_ID : 6583
BB_CPU_HW : CA01
BB_CPU_SW : 8A00
BB_CPU_SB : 0001
BB_CPU_NM : [MediaTek] MT6583|6589_S00
Processing BROM stage
SecCfgVal : 0x00000000
BromVersion : 0x05
BLVersion : 0xFE
Preloader Status : Not active (Erased)
Processing DA stage
DA Select done , sending
DA Ver : MTK_AllInOne_DA_v5.1540.01.01
NAND_ID : 00000000000000000000000000000000
eMMC_ID : 5300014534304D45B8532847E331B365
DA Stat : v3.2 on BBID : 0x86
DRAM not initialized , configure DRAM Settings
DRAM EmiReq Ok , 0x00B8
DRAM Init Ok , 0x00000000
DA Sent. Configure setting now …

DA start Failed at final stage!
Check battery , cable , drivers and try try again

Boot Error!

Operation Failed
Elapsed: 00:00:02
Reconnect Power/Cable!

whats the proplem — soft or hard