Latest Firmware Upgrade (DFU)for Oasis Plus (TC500P) (V1.9)
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Firmware Version: |
TC500P Fix pairing issue |
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Release Date: |
October 19th, 2021 |
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For Products: |
Oasis Plus(TC500P) |
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Applicable LOT Number: |
After (including) 20D2 |
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Changelog: |
1. Fixed "cannot pair" issue. (Especially for Sony Headphones) 2. IMPROVED Stability when two devices are connected at the same time. |
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: TC500pBT50_DfuToV1p9.dfu
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 
Step 3: Download & Install CSR Bluesuite to Perform DFU
For Windows PC - Please follow the steps in Step-by-Step Bluetooth Device Firmware Update (DFU) Guide with Windows PC
For Mac Computer - Please follow the steps in Step-by-Step Device Firmware Update (DFU) Guide for macOS
Please feel free to contact support@avantree.com with any further questions about this product or the above DFU procedure.
