c2839m flash file plz

Port : COM20 : HUAWEI CDMA Handset – Application Interface (COM20)
Baud Rate : 921600
Device : Huawei C2839M
Operation : Write APP/EFS
Opening Port… OK
Preparing Phone… OK
Authorizing Download… OK
Finalizing Process… OK
APP File : C2839M_amss.mbn
Fw. Size : 5.75 MB
Erasing APP Region… OK
Flashing APP Region… Err 0x01 [0x00040000]
Port Closed.

Operation Failed!
Time Taken: 00:15
Module Ver. [1.5]
want tested file..