Mc74xx chip is not detecting in kernel 5.10 but its get detected in 4.9

[jyijyi]

Here says no problem is found for kernel 5.15:

EM9190 not being detected in Linux Ubuntu 20.04.5 EM9191 EM7690 5G dev kit

EM9190 not being detected in Linux Ubuntu 20.04.5 EM9191 EM7690 EM9190 DEV KIT BOARD 5304831_REV_4 $ lsusb command in terminal doesn’t detect the EM9190 [Item: 6001349 ] Sierra Wireless 5G Development Kit. I have installed MBPL_DRIVERS_R28_ENG1-usb-src.tar suggested in Mobile Broadband Package for Linux (SDK, Drivers, Documentation) Please Help. Thank you

Are you using the latest MBPL USB driver?

https://source.sierrawireless.com/resources/airprime/software/mbpl/mbpl-software-latest/

How about using MBIM interface? Does it work?

EM7455 not enabled by default under Windows 10

Skylight uninstalled, same result. And I have updated the latest Verizon firmware, also does not help. And after I issue the !RMARESET=1 command, the firmware seems roll back to the previous one by itself.