Need a copy of EC20CEFDKG's latest firmware

[yang0000]

Now, my firmware is EC20CEFDKGR06A04M2G. When I type AT + QOPS commands, ec20 return ERROR.

[Bean.Wang-Q]

Have sent in Chinese Forums.

[herbert.pan-Q]

pls run to replace the command

AT+QENG=“servingcell”