preloader write done but still erased

company-micromaxx
model–e313
condition -dead

how it dead-customer said he upgrade with wrong firmware and it become dead

Code:

User selected Preloader file : preloader_lcsh6592_we_hz_l.bin
Operation : Init Preloader [ v1.56 ]

Supported HW by Preloader :
FlashID [0] CID : 150100513758534142 , Name : Q7XSAB , Vendor : 15 , [SAMSUNG]
FlashID [1] CID : 150100513732534D42 , Name : Q72SMB , Vendor : 15 , [SAMSUNG]
FlashID [2] CID : 700100563130303038 , Name : V10008 , Vendor : 70 , [KINGSTON]

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

Wait for phone...
Phone found! [ 70 ]
Sync...
Inital Boot Ok!
BB_CPU_PID : 6592
BB_CPU_NME : [MediaTek] MT6592_S00
BB_CPU_EXT : 0xCA00 , 0x8A00 , 0x0000
Processing BROM stage
Settings for BROM configured!
SecCfgVal : 0x00000000
BromVer  : 0x0005
BLVersion : 0x00FE
PreLoader : NOT Active [ Erased ]
BootLdrSS : NORMAL with PRELOADER
Processing DA stage
DA Select done, will use MTK_AllInOne_DA_v5.1624.16.07
Sending and initialize DA ...
Running DA ver.4.2 on BBID : 0x8A
NAND Flash : NOT INSTALLED
eMMC Flash : 150100513732534D420005B9D6A4722B
Initialize Memory ...
DRAM configured from ScatFW!
DRAM initialize passed!
DRAM size : 0x40000000
DAgent sent , init HW now
eMMC FlashIC initialized
[eMMC] : FLASH_VEN : 0x15 , OEM : 0100
[eMMC] : FLASH_INF : [SAMSUNG] , BMS27
[eMMC] : FLASH_CID : 150100513732534D420005B9D6A4722B
[eMMC] : FLASH_BRT : 0x00400000 , 0x00400000 , 0x00080000
[eMMC] : FLASH_LEN : 0x00000001D2000000
[eMMC] : FLASH_UCP : 7456 MiB [eMMC 8 GiB]
DEV RID    : 0xC1F94A5CE6C452BE9BDA32647FC20D30
INT RAM    : 0x00020000
EXT RAM    : 0x40000000 [1 GiB]
BOOT TYPE  : EMMC_FLASH_BOOT
SOC VERIFY : C1
Boot Ok!

SecCfg Passed , 1799
BL : BBID supported by BootLoader!
Supported HW by Preloader :
FlashID [0] CID : 150100513758534142 , Name : Q7XSAB , Vendor : 15 , [SAMSUNG]
FlashID [1] CID : 150100513732534D42 , Name : Q72SMB , Vendor : 15 , [SAMSUNG]
FlashID [2] CID : 700100563130303038 , Name : V10008 , Vendor : 70 , [KINGSTON]
BL : Storage supported by BootLoader!
Sending BootLoader ...
Preloader Sent , Init passed
SecCfg Passed , 1799
PartTable Init Ok , Count : 14
All Done

Done!
Elapsed: 00:00:06
Reconnect Power/Cable!

Operation : Flash [ v1.56 ]

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

Wait for phone...
Phone found! [ 70 ]
Sync...
Inital Boot Ok!
BB_CPU_PID : 6592
BB_CPU_NME : [MediaTek] MT6592_S00
BB_CPU_EXT : 0xCA00 , 0x8A00 , 0x0000
Processing BROM stage
Settings for BROM configured!
SecCfgVal : 0x00000000
BromVer  : 0x0005
BLVersion : 0x00FE
PreLoader : NOT Active [ Erased ]
BootLdrSS : NORMAL with PRELOADER
Processing DA stage
DA Select done, will use MTK_AllInOne_DA_v5.1624.16.07
Sending and initialize DA ...
Running DA ver.4.2 on BBID : 0x8A
NAND Flash : NOT INSTALLED
eMMC Flash : 150100513732534D420005B9D6A4722B
Initialize Memory ...

[DA_ERROR] : DRAM Configure failed!
ErroCode : 0x3000000
EMICFG_RET_FAILED
Boot Error!

Operation Failed
Elapsed: 00:01:03
Reconnect Power/Cable!