---
title: "WV-U31301-F2L series"
canonical: "https://iproreleasenote.refined.site/space/RN/1244142369/WV-U31301-F2L%20series"
format: markdown
---
# Released versions:

- [Version 2.70](#V2.70)
- [Version 2.61](#V2.61)
- [Version 2.60](#V2.60)
- [Version 2.50](#V2.50)
- [Version 2.49](#V2.49)
- [Version 2.41](#V2.41)

### This release note applies to the following models:

|  |
| --- |
| **Version 2.41 or later** |
| WV-U31301-F2L | WV-U31301-F2LG | WV-U35301-F2L | WV-U35301-F2LG |
| WV-U31401-F2L | WV-U31401-F2LG | WV-U35401-F2L | WV-U35401-F2LG |

# Priority Rank Level

|  |
| --- |
| 🇦  : Recommended to apply  
🇧  : When issue happened  
🇨  : Maintenance timing  
🇺 : Function / performance improvement |

> Macro (anchor)

  

# Version 2.70

Release date: October 24 2024

### Resolved Issues

Fixed the following issues including other minor issues:

- Corrected an issue where the frame rate might drop. 🇨   
Occurrence condition:   
- [Stream encoding format] is H.264  
- [Frame rate] is set to 5fps  
> Macro (anchor)

# Version 2.61

Release date: June 25, 2024

### Resolved Issues

- Corrected an issue where the camera might transmit a lower frame rate image than setting. 🇨   
Occurrence conditions:   
- [Frame rate] is set to 5fps or 3fps  
- [Stream encoding format] is H.264  
- [Image capture size] is 640x360, 320x180, VGA or QVGA  
> Macro (anchor)

# Version 2.60

Release date: May 31 2024 -  [Download the latest firmware](https://i-pro.com/products_and_solutions/en/surveillance/documentation-database/wv-u31301-f2l-etc-firmware)

### New Features / Improvements

- Changed the font on the browser as below:
  - The font of on-screen display (OSD) to Iwata UD 🇺

### Resolved Issues

- Corrected an issue where some 3rd party applications might not work with version 2.50. 🇨
- Corrected an issue where the camera might reboot when [Maximum shutter] is set to "Max.4/30s" on rare occasion. 🇨  
> Macro (anchor)

# Version 2.50

Release date: Feb. 29 2024

### New Features / Improvements

- Added an improvement to enhance security. 🇺
- Added improvements to the live and setting windows on the web browser. 🇺
- Improved the response to CGI commands. 🇺

### Resolved Issues

- Fixed minor issues. 🇨  
> Macro (anchor)

# Version 2.49

Release date: Feb. 29 2024 

- Intermediate firmware version to upgrade from version 2.4x or earlier to version 2.50 or later.  
> Macro (anchor)

# Version 2.41

Release date: December 25, 2023 

- First mass-production