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Mobile USB Modem 1.0 Driver for Langchao - Langchao-A-I945GC working on Microsoft Windows 7 Ultimate

Device Name:
Mobile USB Modem 1.0
Hardware ID:
USB\VID_04E8&PID_685D&REV_0001
USB\VID_04E8&PID_685D <---- Device ID matches with our database


Compatible ID:
USB\CLASS_02&SUBCLASS_02&PROT_01
USB\CLASS_02&SUBCLASS_02
USB\CLASS_02
Version:
,1970-01-01




List of driver files that match with the above device in our database.

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Below is a list of drivers that may be suitable for your device. With the different devices, they can have the same driver , it's because they all use the same chip manufacturer.

How to select driver?
If you are looking for an update , pickup the latest one. If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name.
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*: 2K=Windows 2000, 2K3= Windows 2003 , XP= Windows XP , VISTA = Windows Vista , WIN7 = Windows 7,WIN10/11= Windows 10/11
Driver name
OEM
Filename
Version
Date
Size
Operating System
Download
SAMSUNG Mobile USB CDC Composite Device
Others
2.18.2.0
2022-04-06
35.57 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.17.16.0
2021-09-14
35.18 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.17.10.0
2020-12-04
35.2 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.16.12.0
2019-08-23
35.16 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.16.12.0
2019-08-23
12.25 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.16.12.0
2019-08-23
19.6 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.16.12.0
2019-08-23
35.18 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.16.12.0
2019-08-23
35.16 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.16.11.0
2019-08-20
35.14 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.16.9.0
2019-07-08
3.11 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.12.5.0
2017-05-15
3.77 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.11.11.0
2014-11-26
15.3 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.11.10.0
2014-06-10
15.27 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.11.9.0
2014-04-03
8.83 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.11.7.0
2014-01-02
5.03 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.11.6.0
2013-12-11
14.99 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.11.1.0
2013-08-14
6.52 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.510.0
2013-05-23
6.47 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
samsung
2.9.508.0
2013-03-25
66.33 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.508.0
2013-03-25
8.23 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.508.0
2013-03-25
51.3 KB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.507.0
2013-01-23
21.93 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.507.0
2013-01-23
6.46 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.505.831
2012-08-31
6.45 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.505.831
2012-08-31
13.48 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Samsung Android Interface
Others
7.0.0.1
2012-08-27
8.46 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
Samsung Android Interface
Others
7.0.0.1
2012-08-27
2.51 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.504.816
2012-08-16
23.06 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.503.726
2012-07-27
4.3 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.503.726
2012-07-27
23.06 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.503.726
2012-07-27
23.04 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.319.511
2012-05-11
4.3 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.317.215
2012-02-16
4.3 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.310.1125
2011-11-25
4.29 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Android ADB Interface
Others
2.9.201.1018
2011-10-18
3.52 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.201.1018
2011-10-18
23 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.201.1018
2011-10-18
4.29 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.104.921
2011-09-21
4.28 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.103.812
2011-08-12
4.29 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.103.812
2011-08-12
22.99 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.102.708
2011-07-08
4.22 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
microsoft
2.9.15.617
2011-06-15
3.74 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.10.209
2011-02-08
19.68 MB
2K, XP, 2K3, VISTA, WIN7/32bits
XP, VISTA, WIN7/64bits
SAMSUNG Mobile USB CDC Composite Device
Others
2.9.10.209
2011-02-08
22.81 MB
2K, XP, 2K3, VISTA, WIN7/32bits
XP, VISTA, WIN7/64bits
Samsung Android Interface
Others
4.0.0.0
2010-12-06
8.28 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits

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