Files with qcn extension can be found as drive backups from the Qualcomm QPST (Qualcomm Product Support Tools) app.
Software that open qcn file
QCN file extension - Qualcomm QPST drive backup
What is qcn file? How to open qcn files?
File type specification:
File extension qcn is used for some sort of drive backup file created using the Qualcomm QPST utility.
QCN file contains the IMEI (International Mobile Equipment Identity) number, radio settings, and other system configuration data for devices powered by Qualcomm chips. This file is used to restore or repair a device's network settings, in case they get corrupted or wiped out. In other words, a QCN file is a backup of a device's network settings, which can be restored using Qualcomm's QPST software.
Qualcomm Product Support Tools is software package used for phones based on Qualcomm chips: UMTS-based phones EF81, SXG75, SFG75, E81 and other (EF82, SL91, etc.).
Updated: November 16, 2023
The default software associated to open qcn file:
Qualcomm Product Support Tools 
Company or developer:
QUALCOMM Incorporated
Qualcomm Product Support Tools (QPST) is used to customize phones with Qualcomm chipsets (Samsung, SonyEricsson, Sony Xperia, LG, HTC etc.).
List of software applications associated to the .qcn file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open qcn file, edit qcn file, convert qcn file, view qcn file, play qcn file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting qcn files.
Software that import qcn file - Qualcomm QPST drive backup
Programs supporting the exension qcn on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Qualcomm Product Support Tools for import qcn file action.
