The following changes and improvements have been made to the FW1.7.2 compared to the FW1.6.6.
1. Added Italian language support;
2. Added option to adjust the sensitivity of the scroll wheel (System settings->Rotary sensitivity);
3. Fixed issue where the player might crash with black screen after certain operations or playing certain tracks;
4. Fixed issue where the player might not return in correct path after pressing the Return button while in a playlist;
5. Fixed issue where the scroll wheel prompt tone would not work after entering the "Update Media lib" menu;
6. Improved the support of 16-bit WMA lossless tracks;
7. Miscellaneous bug fixes.
Firmware download link: http://x1pack.fiio.net/1.7.2/X1II.f...
How to upgrade: http://fiio.me/forum.php?mod=viewth...