5G module doesn't work on Ubuntu

Hi there,

If you are also experiencing with problems when using 5G module on Ubuntu, pls follow steps below to check.

Our Configuration: 

System: Ubuntu 22.04, 

Hardware: Quectel RM500U-CN, China Mobile SIM card

1, Pls check if you SIM card is inserted correctly(Ensure that the SIM card is placed in the correct direction).

2, Check if the 5G module is recognized.(if not, pls contact the module manufacturer and install relevant drivers)

3, It will build USB Ethernet connection automatically.