Hi Sir: Actually we don't recommend the user to update BNO055 firmware. If you want to update, it is better to contact the local FAE to help you. Thank you.
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Document about how to update the BNO055 FW as well as the latest BNO055 FW version 03.20 was shared.
I will wait for the update from test result with latest BNO055 FW.
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