Firmware & Updates

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Version Info
Release Date
Firmware Version
2025/2
TX: V2.1.0.16
Camera RX: V2.0.0.16
USB-C RX: V2.0.0.16
1.Enhance the high - frequency performance of human voice.
2.Fixed an issue causing abnormal external speaker recording on iOS devices due to support for 16-bit recording on HarmonyOS phones.
3.Fixed some known issues.

Upgrade Tutorial for: Mobile

Both the mobile version and the camera version support upgrading through HollyAudio APP after connecting to the mobile phone.

Important Precautions(Before You Start)

  1. ⚠️Upgrading has risks. Do not upgrade the device during important events. If you encounter problems during the upgrade, you can contact our after-sales technical support.
  2. ⚠️Ensure sufficient battery power during the upgrade to avoid upgrade failures.
  3. ⚠️Before upgrading, make sure that all microphones are connected to the receiver.
  4. ⚠️The new version can be upgraded through the APP. However, to use the new functions, you need to confirm that the APP version is the latest.

Required Upgrade Tool:

iPhone: Download in Apple AppStore.
Android phone: Download it from the app store of each brand of mobile phone.

Mobile version Upgrade Instructions:

  1. Enter the main interface - click the upgrade icon in the upper - right corner - view the version information - download and install.
  2. During the upgrade process, the indicator light will be magenta. Wait for 3 - 5 minutes to complete the microphone upgrade.

Camera version Upgrade Instructions

  1. Take out and pair the TX and RX, and then use a USB-C to USB-C cable to connect the receiver to the mobile.
  2. Enter the main interface - click the upgrade icon in the upper- right corner-view the version information-download and install.
  3. During the upgrade process, the indicator light will be magenta. Wait for 3-5 minutes to complete the microphone upgrade.