10. How to update the firmware of BTR7?

Local upgrade:

1. After the BTR7 is connected to the mobile phone, open the FiiO Control app and then follow the pictures below to upgrade the BTR7.

2. Click settings

 

 

3. Click firmware upgrade

 

 

4. Click local upgrade

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5. Select the firmware file

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6. Click 'confirm'

 

 

7. The firmware upgrade takes 3-5 minutes

 

 

Online upgrade:

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