Gl xe300

I’ve make a custom firemware for GL XE300 from GitHub - gl-inet/openwrt: This repository is fork from openwrt official repo, we will update the latest tag and release GL.iNet firmware based on it..
Everything works fine except 3g/4g modem.
S: Manufacturer=Quectel
S: Product=EG25-G

config interface 'modem'
	option ifname 'wwan0'
	option apn 'mts'
	option proto 'qmi'
	option device '/dev/cdc-wdm0'
	option node '1-1.2:1.4'
	option username 'mts'
	option password 'mts'
	option metric '40'
	option disabled '0'
uqmi -d /dev/cdc-wdm0 --get-data-status 
uqmi -d /dev/cdc-wdm0 --get-current-settings
        "pdp-type": "ipv4-or-ipv6",
        "ip-family": "ipv4",
        "mtu": 1500,
        "ipv4": {
                "ip": "",
                "dns1": "",
                "dns2": "",
                "gateway": "",
                "subnet": ""
        "ipv6": {

        "domain-names": {


But a have no IP on wwan0.

Can you post system log?

Is wwan0 active?