read error: DA init Failed! Error code : 0x3


techno f7 error. this is log

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! [ 46 ]
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

Error : DA init Failed! Error code : 0x3
LErr : 0000

Boot Error!

Operation Failed
Elapsed: 00:00:18
Reconnect Power/Cable!

please help