General :: ICS OTG ZTE MF820 LTE Dongle

when I use OTG cable plug the ZTE MF820 LTE Dongle, android can detect its model but the 3g/4g not work .

I checked there is a file
/etc/usb_modeswitch.d/19d2_0166

###########################
ZTE MF820 4G LTE

DefaultVendor= 0x19d2
DefaultProduct=0x0166

TargetVendor= 0x19d2
TargetProduct=0x0167

MessageEndpoint=0x01
MessageContent=55534243123456782400000080000685000 000240000000000000000000000

CheckSuccess=20

Here is a part of the message from the logcat:

D/MountService( 146): sendStorageIntent Intent { act=unmounted dat=file:///mnt/usbhost1 (has extras) }
D/MountService( 146): volume state changed for /mnt/usbhost1 (unmounted -> removed)
D/MountService( 146): sendStorageIntent Intent { act=android.intent.action.MEDIA_REMOVED dat=file:///mnt/usbhost1 (has extras) }
D/[CORE_SERVICE]( 2057): Receive media broadcast

[Code] ...