Software versions of OpenWrt/LEDE release, packages, etc.
Steps to reproduce
the problem is on unielec U7621 (several unit)
fresh install OpenWrt 21.02.0-rc1 , add usbutils , lte modem huawei me909 (tried several unit) , doesn't show with lsusb command , the same hardware with OpenWrt 19.07.3 work correctly
if i see /sys/kernel/debug/usb/devices , the device is present, and if i load the modem module it works!!
on the same router if i try sierra wireless mc 7430 modem,the lsusb command see it!!
the same huawei modem, tried with an usb adapter into a unielec U7621 , work