DWM-312 rev.A2

The firmware ver.1.00.2.029 is only suitable for DWM-312 with Hardware Revision A2 and above (not suitable for rev.A1). 
Please check the Hardware Revision of your DWM-312: on the modem's homepage under INFO > HW Version or on the modem's label. 

It is recommended to perform a factory reset after upgrading the firmware. 