AT+QGMR
RM500QGLABR13A03M4G_01.201.01.201
Request a copy of the latest rm500q-gl firmware
AT+QGMR
RM500QGLABR13A03M4G_01.201.01.201
Request a copy of the latest rm500q-gl firmware
I have sent the latest firmware to your email,pls check,and I hope you can click the for me,thx