Iball andi 4.5z dead

I have iball andi 4.5z dead with preloader erased.I tried some files but didn’t work
IBALL_ANDI4.5Z_SOFTWARE_V0_11_20130907
iball_andi4.5z_software_V0_13_20131014
How to solve it?

Here is identify log,

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

Wait for phone…
Phone found! [ 11 ]
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 : 0xFE
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 : 7001004D4D43303447020579131E908F
DA Stat : v4.2 on BBID : 0x88
DRAM not initialized , configure DRAM Settings
DRAM EmiReq Ok , 0x00A8

Error : DA init Failed! Error code : 0x5
LErr : 00000BBE

Boot Error!

Operation Failed
Elapsed: 00:00:17
Reconnect Power/Cable!