Huawei G610 u20 boot error ,flashing problem nee help

Boot info
log
Action : Boot Info.
Selected Huawei:Ascend G610-U20
Exe version: NCKBox AndroidMTK 1.8.6.4
Reinsert phone battery.
Battery must be charged.
Phone must be off with battery inside.
Please insert USB cable now…
Detected : MediaTek PreLoader USB VCOM (Android) (COM5)
Error connect to loader[11]
Boot Fail.!!!.
All done.
Flashing
log
Flash files count is :14
Action : Firmware update.
Selected Huawei: Ascend G610-U20
Exe version: NCKBox AndroidMTK 1.8.6.4
Scenario: Safe Flash
Reinsert phone battery.
Battery must be charged.
Phone must be off with battery inside.
Please insert USB cable now…
Detected : MediaTek PreLoader USB VCOM (Android) (COM5)
Error connect to loader[11]
Boot Fail.!!!.
All done.

Meta Info
log
Curent Platform: MT6589
Phone must be off with battery inside.
Please insert USB cable now…
Detected(5) : MediaTek PreLoader USB VCOM (Android) (COM5)
Starting META mode, wait…
Restarting, wait….
Restarting to meta,wait….
If drivers missing, please install CDC drivers.
This can take up to 5 min on slow phones.
If take too long, check device manager for drivers.
META Port Detected[22] Android Gadget VCOM Driver (COM22)
USB\VID_12D1&PID_0005&MI_02&1FD85E02&0&0002
SP_META_BOOT
Starting META using port[COM22], wait…
BaseBand CPU : MT6589
MODEM SW Version : MOLY.WR8.W1248.MD.WG.MP.V5.P5
MODEM HW Version : HUAWEI89_WE_W_JB2_MD1_HSPA_HW
IMEI[1] : 358121035041807
IMEI[2] : 358121035101866
BRAND: HUAWEI
MODEL: HUAWEI G610-U20
NAME: G610-U20
VERSION: 4.2.1
All done.