The following changes and improvements were made to FW1.5 compared to FW1.4:
1. Fixed the Google frame and built in Google Play Store.
2. Fixed issue of abnormal shutdown when Idle poweroff/Sleep is set on.
3. Added pop-up dialog box when stwiching between Andriod Mode and Pure Music Mode.
4. Replaced the built-in File Manager with ES File Explorer that can be uninstalled.
5. Added support to AM1, AM2, AM3 and future amplifier modules.
6. Miscellaneous bug fixes.
Note: Firmware version 1.3 and above will get push notifications for updates automatically over-the-air, so you can update it via OTA after connecting to WiFi. If there is no push notifications for FW1.5, please kindly re-connect to WiFi or restart the X7. Or if the X7 is not with firmware version 1.3, you may still need to download the firmware file to update.