git clone https://github.com/lutfailham96/xmm-modem.git feeds/package/net/xmm-modem
./scripts feeds update -a; ./scripts/feeds install -a
make -j $(($(nproc)+1)) package/feeds/packages/xmm-modem/compile

config xmm-modem
	option enable '1'              # Enable / disable modem
	option port '/dev/ttyACM2'     # Device serial port
	option device 'eth1'           # Device interface
	option interface 'fibocom'     # Network interface
	option apn 'internet'          # APN
	option auth_type 'none'        # APN authentication type: none, pap, chap
	option auth_username 'none'    # APN username
	option auth_password 'none'    # APN password
	option retry_wait '3'          # Connection retry delay
	option max_retries '3'         # Connection max retries
	option metric '0'              # Optional, custom network metric
	option max_retries '10'        # Optional, max retries
	option connection_wait '0  '   # Optional, wait connection before close hotplug procedure
	option disable_max_retries '0' # Optional, force connection attempt & ignoring max retries
	option force_link '0'          # Optional, force network link to be up
	option enable_watchdog '1'     # Optional, enable connection watchdog
	option connection_status '0'   # Optional, automatically generated by service. 0: Idle, 1: Reconnecting