X7 Handheld Firmware
Remove the SD card and try booting. If it powers on to a "No Card" screen, your firmware image was flashed incorrectly or is incompatible with your hardware revision. Re-download the correct image version and re-flash using BalenaEtcher. Controls Are Inverted or Unresponsive
The device will likely reboot itself. The first boot takes longer than usual (up to 90 seconds). Once you see the home screen: x7 handheld firmware
Improved connectivity for controlling the player via a smartphone. Bug Fixes: Remove the SD card and try booting
FiiO X7 firmware is the official operating system software developed by FiiO. A major milestone was the release (Android 5.1), which solved many issues from earlier versions and significantly improved audio performance. x7 handheld firmware