I've recently installed a huawei 4G modem onto my openwrt device.
However the device isn't working.

The device is detected by the lsusb command:
QUOTE
root@OpenWrt:~# lsusb
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 12d1:15c1 Huawei Technologies Co., Ltd.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
root@OpenWrt:~#
UNQUOTE

However not by the usbmode:
QUOTE
root@OpenWrt:~# usbmode -l -v -c /etc/usb-mode.json
root@OpenWrt:~#
UNQUOTE

Wat should i update?
(i assume something at the /etc/usb-mode.json as i can't see the product id
within the file)

I've installed the following usb packages:
QUOTE
root@OpenWrt:~# opkg list_installed | grep -i usb
kmod-usb-core - 4.4.14-1
kmod-usb-ohci - 4.4.14-1
kmod-usb-serial - 4.4.14-1
kmod-usb-serial-sierrawireless - 4.4.14-1
kmod-usb-serial-wwan - 4.4.14-1
kmod-usb-uhci - 4.4.14-1
kmod-usb2 - 4.4.14-1
kmod-usb3 - 4.4.14-1
libusb-1.0 - 1.0.20-1
usb-modeswitch - 2014-08-26-993a9a542791953c4804f7ddbb3a07756738e37a
usbutils - 007-4
root@OpenWrt:~#
UNQUOTE



And the following was seen at the dmesg
QUOTE
root@OpenWrt:~# dmesg | grep -i usb
[    0.785606] ACPI: bus type USB registered
[    0.789719] usbcore: registered new interface driver usbfs
[    0.795260] usbcore: registered new interface driver hub
[    0.800650] usbcore: registered new device driver usb
[    1.596888] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.613419] ehci-pci 0000:00:13.0: new USB bus registered, assigned bus
number 1
[    1.665061] ehci-pci 0000:00:13.0: USB 2.0 started, EHCI 1.00
[    1.671259] hub 1-0:1.0: USB hub found
[    1.684578] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    1.696093] uhci_hcd: USB Universal Host Controller Interface driver
[    1.702619] usbcore: registered new interface driver usb-storage
[    3.034998] usb 1-1: new high-speed USB device number 2 using ehci-pci
[    3.185838] hub 1-1:1.0: USB hub found
[    4.065233] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus
number 2
[    4.082503] hub 2-0:1.0: USB hub found
[    4.096366] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus
number 3
[    4.104087] usb usb3: We don't know the algorithms for LPM for this
host, disabling LPM.
[    4.112851] hub 3-0:1.0: USB hub found
[    4.404949] usb 2-2: new high-speed USB device number 2 using xhci_hcd
[   13.062733] usbcore: registered new interface driver usbserial
[   13.068795] usbcore: registered new interface driver usbserial_generic
[   13.075619] usbserial: USB Serial support registered for generic
[   13.126333] usbcore: registered new interface driver sierra
[   13.132267] usbserial: USB Serial support registered for Sierra USB modem
root@OpenWrt:~#

UNQUOTE
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