---
title: Sony a7R V and Sony a7 IV Firmware Updates
description: Discover the latest firmware updates for Sony a7R V and Sony a7 IV, enhancing shooting and playback functions, FTP transfers, and overall camera stability.
---

[RedShark News - Video technology news and analysis ](https://www.redsharknews.com)

# [Sony a7R V and Sony a7 IV Firmware Updates](https://www.redsharknews.com/sony-a7r-v-and-sony-a7-iv-firmware-updates)

 Written by [RedShark News Staff](https://www.redsharknews.com/author/redshark-news-staff) | Nov 26, 2025 3:00:18 PM

With what is widely rumoured to be the Sony a7 V being announced next week, Sony has released firmware 4.0 for the Sony A7rV and firmware 6.0 for the Sony A7IV mirrorless hybrids.

## Sony a7R V: ILCE-7RM5 System Software (Firmware) Update Ver. 4.00

### Benefits and Improvements

#### ***Shooting*** and ***Playback*** Functions

- Adapts the display layout of shooting information for both horizontal and vertical viewing
- Adds **Spot: XL** under **Spot** in the **Focus Area** menu
- Adds **Custom 1**, **Custom 2**, and **Custom 3** under **Custom** in the **Focus Area** menu
- Adds **Tracking: Spot XL**, **Tracking: Custom 1**, **Tracking: Custom 2**, and **Tracking: Custom 3** under **Tracking** in the **Focus Area** menu
- Adds the **Golden Ratio Grid** option to the **Grid Line Type** setting menu
- Adds the option to enlarge the menu screen display
- Allows you to add **OK/NG/KEEP** flags to clips during or after movie recording
- Allows the remaining capacity of both storage devices to be displayed during movie recording when using **Simult**. or **Auto Switch Media** (Relay Recording)
- Adds support for the **Relay Playback** function
- Adds a function that allows you to narrow down played-back images using multiple filters (e.g. **Rating**)
- Allows **Custom Key** settings to be assigned to the **AF-ON**, **AEL**, and **Delete** buttons during playback
- Adds support for importing/switching multiple IPTC Presets
- Supports the **Write Digital Signature** function for still images and movies as part of Sony's Camera Authenticity Solution 
    - The timing for the provision of licenses (paid) to customers other than certain media outlets is yet to be determined.
    - Services may not be available in some countries or regions. For more information, please visit the [Authenticity Catalog Page](https://www.sony.net/cas/).
- Supports **Scan and Tag**, **Photo Cropping**, and **Volume Photography Commands** under the Volume Photography License 
    - Installation of a paid license is required for use.
    - Services may not be available in some countries or regions.

#### ***FTP Transfer*** and ***Network*** Functions

- Allows scheduling of FTP transfers while writing data to the camera's storage media
- Allows you to automatically schedule FTP transfers of protected movies and still images
- Allows you to automatically protect movies/still images transferred via FTP transfer
- Allows you to transfer specific images with priority during FTP transfer
- Supports the following **Monitor & Control** app function: 
    - Focus map display  
      **Note: **The latest version of the **Monitor & Control** app is necessary. The app may not be available in some countries or regions.

#### Others

- No longer supports the **Security (IPsec)** functionality  
  **Note: **Please enable and use **Access Authen.** as it provides more secure protection.
- No longer supports the **WPA** and **WEP** functionalities  
  **Note: **You will no longer be able to select **WPA** or **WEP** when connecting to Wi-Fi. Please use the more secure **WPA2** or **WPA3** moving forward.
- Fixes an issue where the focus may not reach infinity during **Focus Bracketing**
- Fixes an issue where color reproduction may vary even when the white balance is fixed during exposure bracket shooting in lossless compressed RAW
- Improves the operational stability of the camera

## Sony a7 IV: ILCE-7M4 System Software (Firmware) Update Ver. 6.00

### Benefits and Improvements

#### ***Shooting*** and ***Playback*** Functions

- Adapts the display layout of shooting information for both horizontal and vertical viewing
- Adds **Spot: XL** under **Spot** in the **Focus Area** menu
- Adds **Custom 1**, **Custom 2**, and **Custom 3** under **Custom** in the **Focus Area** menu
- Adds **Tracking: Spot XL**, **Tracking: Custom 1**, **Tracking: Custom 2**, and **Tracking: Custom 3** under **Tracking** in the **Focus Area** menu
- Adds the **Golden Ratio Grid** option to the **Grid Line Type** setting menu
- Adds the option to enlarge the menu screen display
- Allows you to add **OK/NG/KEEP** flags to clips during or after movie recording
- Allows the remaining capacity of both storage devices to be displayed during movie recording when using **Simult**. or **Auto Switch Media** (Relay Recording)
- Displays audio levels on the screen at all times during movie recording
- Adds support for the **Relay Playback** function
- Adds a function that allows you to narrow down played-back images using multiple filters (e.g. **Rating**)
- Allows **Custom Key** settings to be assigned to the **AF-ON**, **AEL**, and **Delete** buttons during playback
- Adds support for importing/switching multiple IPTC Presets
- Supports the **Write Digital Signature** function for movies as part of Sony's Camera Authenticity Solution 
    - The timing for the provision of licenses (paid) to customers other than certain media outlets is yet to be determined.
    - Services may not be available in some countries or regions. For more information, please visit the [Authenticity Catalog Page](https://www.sony.net/cas/).
- Supports **Scan and Tag**, **Photo Cropping**, and **Volume Photography Commands** under the Volume Photography License 
    - Installation of a paid license is required for use.
    - Services may not be available in some countries or regions.

#### ***FTP Transfer*** and ***Network*** Functions

- Allows scheduling of FTP transfers while writing data to the camera's storage media
- Allows you to automatically schedule FTP transfers of protected movies and still images
- Allows you to automatically protect movies/still images transferred via FTP transfer
- Allows you to transfer specific images with priority during FTP transfer
- Supports the following **Monitor & Control** app function: 
    - Focus map display  
      **Note: **The latest version of the **Monitor & Control** app is necessary. The app may not be available in some countries or regions.

#### Others

- Improves the operational stability of the camera

[View full post](https://www.redsharknews.com/sony-a7r-v-and-sony-a7-iv-firmware-updates)

```json
{
  "@context" : "http://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "RedShark News Staff"
  },
  "dateModified" : "2025-11-26T15:00:18.665Z",
  "datePublished" : "2025-11-26T15:00:18Z",
  "headline" : "Sony a7R V and Sony a7 IV Firmware Updates",
  "image" : {
    "@type" : "ImageObject",
    "height" : 1080,
    "url" : "https://6155957.fs1.hubspotusercontent-na1.net/hubfs/6155957/Sony%20a7R%20V%20and%20Sony%20a7%20IV.webp",
    "width" : 1920
  },
  "mainEntityOfPage" : "https://www.redsharknews.com/sony-a7r-v-and-sony-a7-iv-firmware-updates",
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "height" : 60,
      "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png",
      "width" : 60
    },
    "name" : "RedShark News"
  }
}
```