The following changes and improvements were made in FW1.3:
1. Implemented / fixed pulsar light on/off settings customization
2. Fixed issue where the X7 played music without sound / did not play
3. Implemented Over-the-air push notifications for future updates
4. Implemented idle poweroff option for X7 (not just FiiO Music)
5. Screen rotation set to off by default (please turn off screen rotation when downloading over-the-air updates to prevent interruption)
6. FiiO Music app version: FW1.6
7. X7 firmware version: FW1.3

X7 FW 1.3:>> Download link

How to upgrade the X7 firmware: >> Click here

X7 App installation tutorial: >> Click here