The changes and improvements about new APP are as follows: 1. Added the support of BTR5/EH3NC in 'Bluetooth device control' option. 2. Miscellaneous improvements. Android, M11/M11PRO FiiO Music app-1.1.6: Click here The FiiO Music App X5III/X7/X7MKII-1.1.6: Click here iOS FiiO Music app-1.4.2：You could download it ifrom the APP Store How to update the FiiO Music app on X5III/X7/X7MKII,M11/M11PRO: a. Set the player to storage mode and connect to computer, drag the downloaded FiiO Music (.apk) to the internal storage of your player. b. Disconnect the connection and enter ES file manager, find the FiiO Music app in internal_sd and click install.