Could you please help me solve the problem that the RM500Q-GL module cannot dial?

I have a RAX3000M-NAND router. I compiled the firmware of hanwckf/immortalwrt-mt798x and connected it to the RM500Q-GL 5g module via USB. After startup, the information is as follows. What should I do to dial up normally:

The device can recognize:



When I execute quectel-cm -s cbnet, an error is reported
QmiWwanSendQMI write=-1, errno: 2 (No such file or directory)


Dear @lemon002
My colleague Bean had repalied in other topic, please discuss with him.