Optional Patch for Oasis Plus (TC500P) - Get rid of "Crackling Noise" on aptX Low Latency Headphones – Avantree Support

Firmware Version:	TC500P FS priority
Release Date:	October 19th, 2020
For Products:	Oasis Plus(TC500P)
Applicable LOT Number:	After (including) 20D2
Changelog:	FIXED Crakling Noise issue when used with 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.

Step 1: Device Firmware Upgrade (DFU) File

Please download the upgrade firmware file to your computer noting the save path. Please note you can not open this file directly, just to save and choose when you upgrade.

File: TC500P FS priority

Step 2: Enter Oaisis Plus into DFU Mode

Connect Avantree Oasis Plus to PC via a Micro USB sync & charge cable. (The usb cable coming with Oasis plus is just for charging).

Power on, Press both and the "AUX/OPT" switch button for 8S until all LED indicators are off.

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).