Hi @anishjp,
The issue appears since you’ve used “DW5811e” Sierra Wireless LTE for DELL hot-plugged on Lenovo. As my opinion, the card is belongs to the OEM cards are obviously meant to be supported by Dell or Lenovo, and not directly by Sierra Wireless. This means that Sierra Wireless will refer you to Dell or Lenovo for support, and they will probably want to know the serial number of your laptop before they let you open any support case. If you buy a module via official channels then you will get support there too
Besides, I would like to share some solutions you can try:
- Install the latest EM7455 drivers at here
- Try to install Dell drivers if it can help
- Try to follow the topic which has similar concern
EM7455: Convert from Dell to generic version - #8 by jyijyi
Please share if you have any concerns
Thanks