Audikast Plus (TC418P) Firmware Patch - Fix "Crackling Noise" on aptX Low Latency Headphones

Disclaimer: Please contact Avantree Support BEFORE upgrading. Be aware that if you upgrade without prior consultation with Avantree technical support and the product dead due to DFU misoperation, the warranty is not covered.

Note: The cracking noise was only happen under aptX LL mode, pls note that this DFU fixes the problem by prioritizing FastStream or aptX codec than aptX LL. Which means when you completed this upgrade, they will not work under aptX LL codec. If you mind this, pls DO NOT upgrade.

Step 1: Device Firmware Upgrade (DFU) File
Download the DFU file, taking note of where you save it - you'll need it later.

File: TC418P - DFU to FS/aptX priority  

Step 2: Enter Audikast Plus into DFU Mode

Connect the transmitter to a Windows Computer / Mac via the provided GRAY micro USB charging and DATA cable. 

Power on, Press & hold both "1" and "2"  buttons for about 15 secs until the LED indicators turn PINK.

Step 3: Download & Install CSR Bluesuite to Perform DFU

For Windows PC - Please follow the steps in How to Conduct Firmware Update (DFU).

For Mac Computer - Please follow the steps in How to Conduct Firmware Update (DFU).

Note: To revert to the previous version of firmware, please perform the DFU procedure again using this file: TC418p_APTXLL-first-priority

Please feel free to contact support@avantree.com with any further questions about this product or the above DFU procedure.