FiiO X3 Portable Player Firmware 3.0

Changes from firmware version 2.1 to 3.0 include the following:

- All new UI supporting new features, with orange, yellow, purple, blue, green and black color themes.
- Support for DSD playback (supports DSF and DFF files in DSD64 (2.8MHz) format. Does not support DSD128 (5.6MHz) format or ISO files.)
- Increased responsiveness to track changes.
- Increased speed of media library update, added song no. progress display.
- Added support for HE-AAC format.
- Added support for cue sheets for mp3 tracks.
- Added large charging indicator on LCD screen when charging with power off; screen shuts off after the pre-set screen timeout.
- Lifted restriction on playback of tracks of sample rate under 32kHz.
- Added display of number of songs on TF card and internal storage in “About X3”.

Bug fixes and improvements:

- Optimized mp3, wma, ogg, vorbis, and flac decoding quality (fixed noise artifacts in left channel of ogg vorbis tracks and low level noise in mp3 tracks)
- Fixed issue where flac tracks split by CUE files were not split at the correct track positions.
- Reduced gaps in gapless playback (zero gap in tracks of the same sample rate) (not applicable to "shuffle" or "loop single" playback modes or tracks split by cue sheets)
- Improved support for ID3 tags and album art (lifted restriction on size of album art)
- Improved support for different CUE sheet formats (added support for UTF-8 and Unicode files)
- Added support for 32bit, 64bit and floating point music tracks.
- Increased responsiveness to fast forward and rewind operations.
- Added large charging indicator on LCD screen when charging with power off; screen shuts off after the pre-set screen timeout.
- Various bug fixes.