Hello there i had problem the new update not working will with mele f10 pro air mouse
the sound coming out from mouse and not tv
the other problem how i restore this box with new firmware 100% and not upgrade ?
I also have the F10 Pro and got it working using SoundAbout app
https://play.google.com/store/apps/details?id=com.woodslink.android.wiredheadphoneroutingfix&hl=en
Install Soundabout app open it and go to dock/usb behavior untick all 4 options
Now go to Media audio and select Aux Digital (HDMI)
Now you have sound and can use the F10 Pro