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04/02/2021 - Release Notes - MEGApix Flex Firmware Update vS2.2.1_20210319                                                                         DW Technical Bulletin

To:  DW® Customers

Date:  April 2, 2021

Re:  MEGApix® Flex™ firmware update

MEGApix® Flex™ Firmware Update vS2.2.1_20210319

Affected Model Numbers:  DWC-PVX16W, DWC-PVX16W4, DWC-PVX16W2

New Firmware Version:  S2.2.1_20210319

Current Firmware Version:  S2.2.1_20200316

Release Date:  March 31, 2021

New Features

  • Added system configuration Import/Export function
    • Users can now download the camera’s settings or upload settings from another camera for quick configuration and settings backup.  In the camera’s settings, go to Setup > System > Configuration Backup to export the camera’s current settings or to upload a setting configuration that was exported from another camera

Fixed Issues

  • Improved connectivity with DW Spectrum® IPVMS
    • Intermittent connection loss at channels 2~4 due to too many ONVIF requests by the Server. Fixed.


  • System hardening for cybersecurity:
    • Passwords must have a minimum of 8 characters with at least 4 combinations of uppercase letters, lowercase letters, numbers and special characters.
    • Passwords cannot contain the user ID.
    • SSH connection is removed.
    • UPnP, DDNS is disabled by default in the camera settings.
    • New Auto-Lock function - The system will lock for five (5) minutes after three (3) failed login attempts. Go to Setup > Security Setup > Auto Lock Configuration to enable.
    • Web connections automatically log out after ten (10) minutes of inactivity.
    • The open-source library database is up to date.
  • Added WebRTC protocol.  The new protocol replaces the current WEB RTSP stream for non-IE browsers.
  • The ONVIF driver is updated to version 20.06

Additional Resources

Installation File Download

MEGApix Flex Firmware vS2.2.1_20210319

Click Here for a PDF copy of these release notes

For More Information or Technical Support

DW Technical Support:

Toll-free:  866.446.3595


 : 866.446.3595           : [email protected]      :

Rev:  04/21                            Copyright © DW. All rights reserved. Specifications and pricing subject to change without notice.