
Updated at 2022-11-28 The following changes and improvements have been made to the FW1.88: 1. Changed wireless charging to not be controlled by the charging switch; 2. Fixed the issue where MQA would be displayed without headphones in UAC mode; 3. Fixed the issue where option errors may occur in the app after upgrade. BTR7 firmware download: Click here How to upgrade the BTR7: Click here
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