Update on August 31, 2026
i-PRO Co., Ltd.

Download Firmware: WJ-NU301 etc. firmware

Priority Rank Level:   
 🅰︎: Mandatory to apply
 🅱: When issue happened
 🅲: Maintenance timing

Released Versions:
V2.30 |V2.20 |V2.12 |V2.10 |V2.00 |V1.60 | V1.50 or earlier

Version 2.30 

Release date: August 31, 2026

New Features / Improvements

• Enhanced Security.

Resolved Issues 

• Corrected an issue where up to the latest nine logs for each log type could be lost when the power was turned off.🅲
• Corrected an issue where the SupportedVersion field in the GetCapabilitiesResponse obtained from ONVIF cameras was limited to 64 characters by increasing the supported length to 256 characters.🅲

Version 2.20 

Release date: March 30, 2026

New Features / Improvements

• Support new resolution 3520x3520 for 360-degree fisheye camera.
• Support thumbnail display in the web application notification panel upon security radar alarm activation.
• Support for using Advidia-brand cameras via ONVIF-Dual connections has been added.
• Support for sending e-Mail and TCP alarm notifications when a “Recording error” occurs.
• Enhanced Security.

Resolved Issues 

• Corrected an issue where the viewer software’s alteration detection function could falsely detect alteration when MP4 files were copied to low-capacity USB media (e.g., 4 GB or 8 GB).🅲
• Corrected an issue where the system would occasionally fail to start after a software reboot.🅲

Version 2.12 

Release date: January 14, 2026

Resolved Issues 

• Corrected a rare issue where the recorder could unexpectedly freeze or reboot.🅲
• Improved the operating reliability to make rollback startup less likely to occur due to environmental impacts such as momentary voltage dips or power outages.🅲

Version 2.10 

Release date: September 19, 2025

New Features / Improvements

• Support Security Radar
  WV-RD5500-C, WV-RD5500-CS, WV-RD5500-CE, WV-RD5500-CSE
• Support TCP alarm notifications from no AI cameras with the AI Processing Relay application
• Added a function to display the sub-stream from ONVIF-connected cameras during multi-screen viewing
• Improved the stability of connections with cameras registered via ONVIF.
• Changed the default setting for Auto login to OFF.
• Added a feature to detect i-PRO cameras configured with HTTPS.
• Added item of "Delete setting for restoration" to the [System management] tab.
• Improved the behavior so that when uploading a configuration file obtained from an older version, any settings not present in the recorder will retain their existing values instead of being initialized.
  *i-PRO Configuration Tool V4.5.0 or later is required.
• Added item of "30s" to the [Pre-event duration] setting under the [Event recording[ScheduleX]] in the [Recording setup] tab.
• Enhanced security.

Resolved Issues 

• Enhanced live view stability to prevent frame rate drops that may occur depending on the connected camera units.🅲
• Corrected an issue where video playback in browsers and Remote Monitorintg occasionally displayed degraded image quality.🅲
• Improved click centering for 6MP resolution camera to enable full-screen interaction.🅲
• Improved live audio to eliminate the occasional 1-second delay.🅲
• Corrected minor issues with the setting screen on HDMI monitor.🅲
• Corrected a rare issue where live images on the multi-screen might freeze when displayed on an HDMI monitor.🅲
• Corrected a rare issue where accessing the recorder via SNMP during recorder startup could cause SNMP responses to stop.🅲

Version 2.00 

Release date: May 23, 2025

New Features / Improvements

• Enhanced security to support "Japan Cyber STAR (JC-STAR): Labeling Scheme based on Japan Cyber-Security Technical Assessment Requirements".

Version 1.60 

Release date: March 11, 2025

New Features / Improvements 

• Support  multicast connection for ONVIF connected cameras. Added a [Communication method for ONVIF connection] setting to the [Advanced setup] tab in [Camera].
• Added a [Auto exit from setup screen] setting to the [Advanced setup] tab in [Security].
  *If no operations are performed on the setup screen for a certain period of time, the setting window will automatically close.
• Added a [Web browser] to the [Advanced setup] tab in [Security] to enable or disable access via web browser.
• Aded the following settings for time adjustment using I/O terminal:
  - Time adjustment I/O"" to the [General purpose I/O terminal setting] in the [System management] under [Maintenanc].
  - [Auto time adjustment] setting to the [Date & time settings] tab in [Data/Language].
  *[General purpose I/O terminal setting] needs to be "Time adjustment I/O" first to use this function.
• Improved the [Auto data delete] in [Maintenance] by adding a menu to select from "1～999" days.
• Added item of "6 h", "12 h" and "24 h" to the [Display interval] setting in thumbnail search.
• Support restricting the execution authority of  [Reset all settings], [Restoration of the setting values], and [Load data (from USB medium)] to administrators only.
• Added item of "30 min", "45 min" and "60 min" to the [Event recording duration] setting under the [Event recording] in the [Recording setup] tab of [REC & event].
• Enhanced security.

Resolved Issues  

Corrected the following issues including other minor issue:

• Corrected an issue where Default gateway value did not change automatically on the [Maintenance] window even after PC port was set from "Auto (DHCP)" to "Static" successfully. 🅲
• Corrected an issue where audio output to the main monitor might stop on rare occasion. 🅲
• Corrected an issue where copying recorded images did not start. 🅲
  Occurrence condition: 
  - Access the recorder over HTTPS with web browser.
  - Version 1.40 and 1.50