Firmware Patch (DFU) for Opera (HT6190) - Improve Auto-reconnect to 2nd Headphones (v1.13)

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: Opera-DFU to V1p13

Step 2: Enter Opera into DFU Mode

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

Power on. Before connect to the headphones, hold the on/off button to pairing side for 10S until the 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 - Avantree Updater will be available in 2021.03. Evaluation Version is now available upon request.

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