cant repair spd imei

Operation : Repair Security [ v1.15 ]

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

==== Wait for phone…

Phone found! [ 35 ]
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 : SC7730/7731 eMMC Loader v1.1 Inf
Sending FLASH FDL
FLASH FDL Ready!
Boot Ok!

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

Write new security data :
IMEI1 : 351591068769184
IMEI2 : 351591068769929

Error while check security Block #1! Seems as damaged!
Elapsed: 00:00:18

Reconnect Power/Cable!