huawei g610 imei repair ok but imei invalid?

Action : IMEI REPAIR.
Selected Huawei:Ascend G610-U20
IMEI for write : 860623021453103
Scanning for presents meta ports…
Meta ports not detected, starting brom stage.
Phone must be off with battery inside.
Please insert USB cable now…
Detected(0) : MediaTek PreLoader USB VCOM (Android) (COM3)
Starting META mode, wait…
If drivers missing, please install CDC drivers.
META ok, waiting for meta port….
META Port Detected[38] Android Gadget VCOM Driver (COM38)
Start sync target, waiting responce…..
BaseBand CPU : MT6589
SW_VER : MOLY.WR8.W1248.MD.WG.MP.V5.P11
HW_VER : HUAWEI89_WE_W_JB2_MD1_HSPA_HW
Meta mode conected ok, start reading phone….
Start repair imei : 2
Phone imei[2] : 86349302931692
IMEI to repair: 860623021453103
IMEI repair OK.
Read IMEI again.
Phone imei[2] : 86349302931692
All done.

repair ok but problem imei invaliv