Unable to use Huawei EC355

  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: 06
       serial: d4:be:d9:c9:d1:9f
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168e-3_0.0.4 03/27/12 ip=192.168.1.4 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       resources: irq:42 ioport:e000(size=256) memory:d0004000-d0004fff memory:d0000000-d0003fff
  *-network DISABLED
       description: Ethernet interface
       physical id: 1
       logical name: wwan0
       serial: 58:2c:80:13:92:63
       capabilities: ethernet physical
       configuration: broadcast=yes driver=cdc_ncm driverversion=14-Mar-2012 firmware=Mobile Broadband Network Device link=no multicast=yes