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Technical support for FDX
In here you could find the introduction, resources download, troubleshooting or after-sales service of FDX.
https://forum.fiio.com/
Community Forum
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support@fiio.com
Technical Support
FiiO Official Store
Aliexpress
How to use the MMCX assist tool? How to attach/detach the cable's plug of the FDX?
Video Help(Click the picture to play the video)