Angelbird has notified us of an issue that may affect data reliability on their CFexpress V2 and V4 Type B media (including RED versions) and could result in critical data loss. Angelbird has released a firmware update for the media cards and recommends that all users update as soon as possible.
If you are using any media cards that may be affected by this issue, we strongly recommend completing this update as soon as possible.
Affected RED Products:
V2 Media - Update to latest version RD4.30
• 750-0102 RED PRO CFEXPRESS TYPE B 1TB
• 750-0096 RED PRO CFEXPRESS TYPE B 1.3TB
• 750-0100 RED PRO CFEXPRESS TYPE B 2TB
• 750-0101 RED PRO CFEXPRESS TYPE B 4TB
V4 Media - Update to latest version RD5.04
• 750-0104 RED PRO CFEXPRESS V4 TYPE B 2TB
• 750-0103 RED PRO CFEXPRESS V4 TYPE B 1TB
Instructions to Download and Install Firmware:
Download 2.2.4 firmware for V-RAPTOR or KOMODO-X via RED Downloads
RED has implemented an in-camera media update tool into the latest firmware for V-RAPTOR and KOMODO-X cameras. Media will automatically update when inserted into a camera running the latest 2.2.4 camera firmware.
In-camera Firmware Update Process
This RD5.04 media update is included with the latest V-RAPTOR (2.2.4), V-RAPTOR XL (2.2.4), and KOMODO-X firmware (2.2.4). The media update will prompt automatically when affected media is inserted into a camera running this 2.2.4 firmware.
Firmware available on RED.COM/DOWNLOADS
Angelbird | Firmware Update Utility - Firmware Update RD5.04 (Jan, 2026) for RED PRO CFexpress v4 Type B media:
• Resolved a rare edge case that could potentially affect device stability and data integrity
• Improved performance and stability
• Updated temperature monitoring
• Implementation of additional data recovery mechanisms
►► Updating to this firmware version is highly recommended to improve device stability and reliability. ◄◄
The RED CFexpress v4 Type B Card Reader and Angelbird Performance Card Reader are compatible with Firmware Update Tool v1.70 only when operating in USB 3 mode, indicated by a blue status LED on the front panel. If your system only offers USB4 ports (e.g. MacBook Air/Pro), the update can still be performed using a USB3 cable. NOTE: The USB4 cable included with the RED CFexpress V4 Type B Card Reader and Angelbird Performance Card Reader cannot be used – you'll need to use a USB3 cable instead.
How to install the Firmware Update Tool on macOS
The security and firewall features on macOS are great, but make installing the Angelbird Firmware Update Tool a little more complex. You can find a detailed step-by-step in the macOS User Manual (linked below), which we recommend following as a first step.
Angelbird CFexpress Card Firmware Update Tool User Manual - macOS
How to install the Firmware Update Tool on Windows
To download and use the Angelbird Firmware Update Tool:
1. Download, install, and open up the Angelbird Firmware Update Tool. (linked below)
2. Insert your CFexpress card into the card reader and connect the reader to your computer.
3. Follow the step-by-step instructions and prompts.
Angelbird CFexpress Card Firmware Update Tool – Windows
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