Users can download the firmware into the GW-7243D as following steps:

1.	Power-off the GW-7243D

2.	Grounding the INIT pin of the GW-7243D

3.	Install the download cable between COM1 of the GW-7243D & COM1 of PC 

4.	Power-up the GW-7243D & Run 7188xw.EXE

5.	Then press F4 button to load firmware automatically.

	PS: the firmware files are "DN_MBxxx" and "autoexec.bat".
 	    These two files and the 7188xw.exe must be in same directory.

6.	Removing the line between the INIT pin and Ground pin

7.	Then Key-in “reset” to restart the GW-7243D

8.	Pressing Alt & X at the same time will quit the 7188xw.EXE