Driver — 4g-ufi-xx

ip link show You should see wwan0 or usb0 . Using ModemManager + NetworkManager:

Also check modes:

sudo nano /etc/udev/rules.d/99-ufi-modem.rules ACTION=="add", SUBSYSTEM=="usb", ATTRidVendor=="05c6", ATTRidProduct=="9003", RUN+="/sbin/modprobe qmi_wwan" After driver binds: 4g-ufi-xx driver

sudo modprobe qmi_wwan echo "05c6 9003" | sudo tee /sys/bus/usb/drivers/qmi_wwan/new_id Make it permanent with a udev rule: ip link show You should see wwan0 or usb0

sudo nano /etc/usb_modeswitch.d/05c6:9091 Content: 4g-ufi-xx driver

# 4G-UFI-XX DefaultVendor=0x05c6 DefaultProduct=0x9091 MessageContent="5553424312345678000000000000061b000000020000000000000000000000" Then run:

lsusb -t sudo apt update sudo apt install usb-modeswitch usb-modeswitch-data modemmanager wvdial 3. Switch from storage to modem mode Many UFI sticks start as a CD-ROM. Use usb_modeswitch manually if needed. Find your idVendor:idProduct (e.g., 05c6:9091 ).