Qualcomm Symbian USB Diagnostics port (COM/LPT/Serial) drivers

Drivers /  Ports (COM/LPT/Serial) /  Qualcomm /  Symbian USB Diagnostics
Qualcomm

Device information

Name

Symbian USB Diagnostics

Manufacturer

Qualcomm

Type

Port (COM/LPT/Serial)

Hardware IDs

USB\VID_05C6&PID_9100&MI_00
USB\VID_05C6&PID_9101&MI_00
USB\VID_18D1&PID_9100&MI_00
USB\VID_18D1&PID_9101&MI_00
USB\VID_2949&PID_9100&MI_00
USB\VID_2949&PID_9101&MI_00
Show all 

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40 available drivers

Symbian USB Diagnostics

Version:

1.0.3.3

Date:

19 September 2025

Size:

480 KB

INF file:

qcwdfser.inf
Windows 11, 10, 8.1, 8, 7
x64

Symbian USB Diagnostics

Version:

1.0.3.2

Date:

18 August 2025

Size:

485 KB

INF file:

qcwdfser.inf
Windows 11, 10, 8.1, 8, 7
x64

Symbian USB Diagnostics

Version:

1.0.2.9

Date:

9 June 2025

Size:

477 KB

INF file:

qcwdfser.inf
Windows 11, 10, 8.1, 8, 7
x64

Symbian USB Diagnostics

Version:

2.1.5.2

Date:

24 August 2023

Size:

560 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64

Symbian USB Diagnostics

Version:

2.1.5.1

Date:

11 January 2023

Size:

611 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64

Symbian USB Diagnostics

Version:

2.1.5.0

Date:

7 October 2022

Size:

571 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64

Symbian USB Diagnostics

Version:

1.1.0.2

Date:

26 November 2021

Size:

527 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm64/arm

Symbian USB Diagnostics

Version:

2.1.4.7

Date:

28 October 2021

Size:

1.32 MB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm64/arm

Symbian USB Diagnostics

Version:

2.1.4.5

Date:

27 May 2021

Size:

1.26 MB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm64/arm

Symbian USB Diagnostics

Version:

2.1.4.4

Date:

17 March 2021

Size:

1.33 MB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm64/arm

Symbian USB Diagnostics

Version:

2.1.4.2

Date:

1 December 2020

Size:

1.27 MB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm64/arm

Symbian USB Diagnostics

Version:

2.1.4.1

Date:

6 October 2020

Size:

1.34 MB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm64/arm

Symbian USB Diagnostics

Version:

2.1.4.0

Date:

29 May 2020

Size:

1.31 MB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm64/arm

Symbian USB Diagnostics

Version:

5.1.1.2

Date:

10 January 2020

Size:

916 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.3.8

Date:

20 November 2019

Size:

1.29 MB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm64/arm

Symbian USB Diagnostics

Version:

2.1.3.7

Date:

29 May 2019

Size:

1.28 MB

INF files:

nwyser.inf, qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm64/arm

Symbian USB Diagnostics

Version:

2.1.3.6

Date:

1 March 2019

Size:

947 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm

Symbian USB Diagnostics

Version:

2.0.9.3

Date:

20 February 2019

Size:

230 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/ia64

Symbian USB Diagnostics

Version:

2.1.3.5

Date:

17 December 2018

Size:

929 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm

Symbian USB Diagnostics

Version:

2.1.3.3

Date:

12 October 2018

Size:

926 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm

Symbian USB Diagnostics

Version:

2.1.3.2

Date:

5 July 2018

Size:

952 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm

Symbian USB Diagnostics

Version:

2.1.2.9

Date:

27 September 2017

Size:

914 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm

Symbian USB Diagnostics

Version:

2.1.3.0

Date:

27 September 2017

Size:

938 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm

Symbian USB Diagnostics

Version:

2.1.2.7

Date:

2 August 2017

Size:

953 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.2.2

Date:

22 June 2017

Size:

495 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64

Symbian USB Diagnostics

Version:

2.1.2.3

Date:

4 December 2016

Size:

930 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.2.2

Date:

25 March 2016

Size:

929 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.2.1

Date:

8 October 2015

Size:

916 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.2.0

Date:

10 September 2015

Size:

634 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.2.0

Date:

31 August 2015

Size:

378 KB

INF file:

qu_usb_serial.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.6.6.0

Date:

4 August 2015

Size:

773 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.2.0

Date:

8 July 2015

Size:

914 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.1.2

Date:

19 March 2014

Size:

839 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.1.0

Date:

25 January 2014

Size:

880 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.0.5

Date:

4 January 2013

Size:

1.32 MB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/arm/ia64

Symbian USB Diagnostics

Version:

2.1.0.5

Date:

6 December 2012

Size:

322 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/ia64

Symbian USB Diagnostics

Version:

2.1.0.3

Date:

26 October 2012

Size:

563 KB

INF file:

innosser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/ia64

Symbian USB Diagnostics

Version:

2.0.8.7

Date:

29 July 2011

Size:

188 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/ia64

Symbian USB Diagnostics

Version:

2.0.3.6

Date:

11 February 2010

Size:

139 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/ia64

Symbian USB Diagnostics

Version:

2.0.6.6

Date:

8 July 2009

Size:

393 KB

INF file:

qcser.inf
Windows 11, 10, 8.1, 8, 7
x64/x86/ia64

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