spd read firmware error,help

Operation : Read FullFlash [ v1.15 ]

1. Remove battery. Insert battery back
2. Press and hold ‘VolumeUp’ and ‘VolumeDown’ keys
3. Insert cable

==== Wait for phone…

Phone found! [ 129 ]
Port Opened
Sync…
InitBoot Done [ 0x81 ] , Ver : SPRD3
Sync…
Sending FDL
[Info] : If SW freeze here more, than 15 seconds – remove cable
FDL Ready!
Boot Ver : SC773x Android 5.x eMMC v1.0 Inf
Sending FLASH FDL
FLASH FDL Ready!
Boot Ok!

FlashMode Set : Ok!
Detected eMMC Flash , Structure detect Ok!

[FW_READER] : Step #1 Passed!
[FW_READER] : Step #2 Passed!
[FW_READER] : Step #3 Failed!
Error_Info : DVL Failed , If it Android 5.x – Root Required 🙁