gionee gn8003 help cm2mt2-r2

Operation : Identify [ v2.00 r2 ]

1. Make sure device is powered off. Power off, if need. Wait 20 seconds after
2. Insert USB cable in phone
Waiting for device connection ...

PTFN : PreLoader USB VCOM Port (COM281)
MODE : PRELOADER PORT
PORT : 281
Waiting BOOT ack ...
PRELOADER : ACK confirmed!
BROM : Init BROM
BROM init passed!
CHIP : MT6755 , SBID : 0x8A00 , HWVR : 0xCB00 , SWVR : 0x0001
TYPE : MODERN RAPHAEL
BROM : SecLevel : 0x00000005
BROM : SecMode : SBC+SDA
BROM : PRELOADER PORT
AGENT : Look for suitable BootChain in DA ...
AGENT : MTK_AllInOne_DA.bin
AGENT : Found MT6755
AGENT : MTK_DOWNLOAD_AGENT
BROM : Sending 1st DA ...
BROM : 0x00002001 : DA SEND ERROR!
ERROR : SECURE BOOT : MISMATCH BOOT SIGNATURE!

Error : Fail to init protocol!
Remove battery, cable. Check cable and connection. Repeat operation!

Reconnect Power/Cable!

have tried all boot