[How-To] configure and setup USB LTE Alcatel Link Key IK40

check you device with lsusb command (usbutils package):

:~# lsusb
Bus 001 Device 005: ID 1bbb:0195 T & A Mobile Phones

NOTE: change static IP address of your LAN to instead of Because on this address you will have administration page of your LTE USB modem.

Install the following packages:

opkg update
opkg install kmod-usb-net-rndis usb-modeswitch

edit the /etc/config/network file and put the following at the end:

config interface 'lte'
	option ifname 'usb0'
	option proto 'dhcp'
	option apn 'internet'

Open file /etc/config/firewall and locate config zone , where under it should be: option name 'wan' and add lte

config zone
	option name 'wan'
	option input 'REJECT'
	option output 'ACCEPT'
	option forward 'REJECT'
	option masq '1'
	option mtu_fix '1'
	option network lte wan wan6

save, reboot and it's done.