I purchased a GL-X750 and it worked fine but because I could not use any external 4G antenna, I purchased a GL-X300B. While my T-Mobile SIM with an active data plan works fine in the X750, it will not auto configure with the same SIM. The X300B shows that the SIM cannot be registered. The firmwa…

gl_modem -B 1-1 AT 'AT$QCPRFMOD=PID:1,OVRRIDEHOPDP:"IP"' --ssh or AT$QCPRFMOD=PID:1,OVRRIDEHOPDP:"IP" ---webui reboot T-mobile Static ip address Only ipv4 addresses are supported Ipv6 dial-up is used, causing network injection failure. Procedure Mandatory ipv4

GL-X300BRC4 will not register T-Mobile SIM

Routers Cellular, USB modems

ywp June 28, 2024, 2:08am 4

Try this method

AT+QGMR

Look at the module models of the X300B