i have module em7430, OEM dell dw5816e, connect to PC with USB 3.0 converter i have flash the Generic firmware, and it work fine. After that, i am working to make it work with my current country cellular, so i try to change VID:PID, IMEI and USBCOMP with AT command as bellow: AT!USBVID=1199 AT!US…

oh god, i did fix this by many many wierd steps on both Windows10 and Ubuntu 20.04, thanks you @dl5162 , this .nvu is helpful to change the pid, so driver and usb bus can be detected, my works are: using physical pc, dont use virtual machine with usb passthrough because the vm host will not detect…

You might also need to modify the mbpl serial driver to add the new pid 68b1.

i am not clearly understand, would you explain that more detaily ?

Some idea like this one: [image] Rescue MC7710 after incorrect PID change? MC/EM Series The router OS does not give more specific information, but I put it into a Linux box and got the full descriptor listed in the attachment below. But note that lsusb gives an error mes…

after alot of trying, it showing serial port on dmesg, but it was not registered as ttyUSB device my works are adding device vid pid on qcserial.c as bellow → re-complie and install it with make → reboot → using modprobe to registering new device [image] i am adding on both static const struct ,…

Here suggests to use qmicli [image] My MC7710 can't work on Linux after plug-in it to Windows8 MC/EM Series A lot has happened in the 7+ years since that was written. So, while it still is possible to use the hackish perl script, I recommend using libqmi/qmicli instead. …

thanks you for the advice, but it is not work the command results are: error: couldn’t get USB composite modes: QMI protocol error (94): ‘NotSupported’ i was try with both composition 6 or 8 or with 1, none of them give the correct responve

Can you paste your modified qcserial.c here? Does it work for adding new pid in option driver? [image] Rescue MC7455 after incorrect PID change? MC/EM Series This should be easy to fix on Raspbian provided it has a USB serial driver we can use. Try option first: modpro…

qcserial.c (30.6 KB) this is the modified file that i complie and install with usb-src, you can searching the line with “edited” explain mark i was try command modprobe and echo for each driver type i have installed, none of them give me the ttyUSB device registred

shouldn’t you modify like the line having “/* Sierra Wireless MC74xx */”? e.g. line 176,336,368

Em7430 no com port after vid:pid change

IoT Modules MC/EM Series

jyijyi August 5, 2023, 10:04pm 9

Here suggests to use qmicli

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Em7430 no com port after vid:pid change

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