How to update firmware with RecDual Link App?

Keeping your RecDual Dongle firmware up to date ensures you have the latest features, improvements, and bug fixes. RecDual Link App makes firmware updates easy with one-click upgrading.

Prerequisites

Before updating firmware:

• RecDual Link App is activated and bound with root directory access

• RecDual Dongle is connected and not recording

• Stable internet connection for downloading firmware

• Sufficient TF card space (at least 50MB free)

Important

Firmware upgrade requires root directory access. If you’re in Limited Mode (Videos folder only), you cannot perform firmware updates through the app. Use the Windows version of the app or update manually.

Checking for Updates

Automatic Detection

• The app automatically checks for firmware updates every 24 hours.

• When an update is available, you’ll see a red dot notification on the Firmware icon.

Manual Check

1. Open RecDual Link App.

2. Go to the Dashboard.

3. Tap Firmware Upgrade or the firmware icon.

4. The app will check for available updates.

Firmware Update Process

Step 1: Start Update

1. When an update is available, tap Update Now or Download & Install.

2. Review the update information (version number, release notes).

3. Confirm you want to proceed.

Step 2: Download

1. The app downloads the firmware file from the server.

2. Progress bar shows download status.

3. Wait for download to complete (usually 1-2 minutes depending on internet speed).

Step 3: Install

1. After download, the firmware is automatically written to your RecDual Dongle.

2. Do not disconnect the device during this process.

3. Wait for the “Installation Complete” message.

Step 4: Restart Device

1. You’ll see a prompt: “Please restart your device”.

2. Disconnect the RecDual Dongle from your phone/computer.

3. Power cycle the device: - For Type-C DP: Reconnect to your source device - For HDMI: Disconnect and reconnect the power cable

4. The device will boot with the new firmware.

Step 5: Verify

1. Reconnect to RecDual Link App.

2. Go to Dashboard > Device Info or Settings > About.

3. Confirm the firmware version matches the update.

What Gets Updated

Firmware updates may include:

• Bug fixes: Resolve known issues

• Performance improvements: Better recording stability

• New features: Additional functionality

• Compatibility: Support for more devices

Update Safety

Built-in safety measures protect your device:

• Integrity check: Firmware file is verified before installation

• Rollback protection: Prevents corrupted firmware from being installed

• Automatic retry: If download fails, you can retry without issues

Note

Your device settings and recorded videos are not affected by firmware updates. All recordings on the TF card remain intact.

Troubleshooting Update Issues

Update button not available?

• Ensure you have root directory access (not Limited Mode)

• Check your internet connection

• Restart the app and try again

Download failed?

• Check your internet connection

• Free up space if storage is low

• Try again later if server is busy

Installation failed?

• Ensure device is not recording

• Do not disconnect during installation

• Restart the app and device, then retry

For more troubleshooting, see Why is firmware update failing?.

Related articles:

Understanding Root Directory vs Limited Mode Why is firmware update failing? How to configure settings in RecDual Link App?

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