Optional Patch for Orbit(TC580) - Enable the Orbit's volume adjustment so hearing aids/Bluetooth speakers users can adjust the volume on the Orbit (V5.11)

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
Download the DFU file, taking note of where you save it - you'll need it later.

File: Orbit - DFU to V5p11  (right-click then select 'open in new tab')

Step 2: Enter Orbit into DFU Mode

After 20L2 batch: (NOTE How to find the batch no.)

Connect the transmitter to a Windows Computer / Mac via the provided gray Type C charging and DATA cable. 

Power on, PRESS & HOLD BOTH “Search” and ”Connect” Buttons for around 7 secs until the LED on the buttom turn solid WHITE,  now transmitter enter DFU mode. 

Before 20L2 batch: 
Connect the transmitter to a Windows Computer / Mac via Type C charging and DATA cable. (NOTE: the cable included in the box is not a DATA cable. If you don't havea spare one, please contact support@avantree.com for a DATA cable to do the firmware update.)

Power on, PRESS & HOLD BOTH “Search” and ”Connect” Buttons for around 7 secs until the LCD screen turn bright with "Aavantree" word for 2 secs and then "Avantree" word disappear and leave the screen blank bright, now transmitter enter DFU mode.

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).

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