libusb-1.0_1.0.9-1_brcm47xx.ipk
kmod-usb-brcm47xx_3.3.8-1_brcm47xx.ipk
kmod-usb-core_3.3.8-1_brcm47xx.ipk
kmod-usb-net-cdc-ether_3.3.8-1_brcm47xx.ipk
kmod-usb-net-rndis_3.3.8-1_brcm47xx.ipk
kmod-usb-net_3.3.8-1_brcm47xx.ipk
kmod-usb-ohci_3.3.8-1_brcm47xx.ipk
kmod-usb-printer_3.3.8-1_brcm47xx.ipk
kmod-usb-serial-option_3.3.8-1_brcm47xx.ipk
kmod-usb-serial-wwan_3.3.8-1_brcm47xx.ipk
kmod-usb-serial_3.3.8-1_brcm47xx.ipk
kmod-usb2_3.3.8-1_brcm47xx.ipk

cat /proc/bus/usb/devices

T:  Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#=  3 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=12d1 ProdID=1506 Rev= 1.02
S:  Manufacturer=HUAWEI Technology
S:  Product=HUAWEI Mobile
C:* #Ifs= 4 Cfg#= 1 Atr=80 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=02 Prot=12 Driver=(none)
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 1 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=02 Prot=16 Driver=(none)
E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
I:  If#= 1 Alt= 1 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=16 Driver=(none)
E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=(none)
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=(none)
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

root@Gargoyle:~# usb_modeswitch  -v 12d1 -p 1506 -H
Looking for default devices ...
   found matching product ID
   adding device
 Found device in default mode, class or configuration (1)
Accessing device 003 on bus 001 ...
Getting the current device configuration ...
 OK, got current device configuration (1)
Using first interface: 0x00
Using endpoints 0x01 (out) and 0x81 (in)
Not a storage device, skipping SCSI inquiry

USB description data (for identification)
-------------------------
Manufacturer: HUAWEI Technology
     Product: HUAWEI Mobile
  Serial No.: not provided
-------------------------
Sending Huawei control message ...
Error: sending Huawei control message failed (error -32). Aborting.