Upgrade firmware steps:
1. Put “update.upt” file in to the root directory of the X3II TF Card.
2. Enter the System Settings, select the System Update, the player will automatically update.
3. The player will automatically restart after the update is completed, and enter the System Settings to see whether the system information about the player is the latest version.
* Note: If did not find the update file when updating, please check if the update file in the TF Card’s root directory, or whether the file is corrupt, please copy again.
Firmware updated contents:
1.Fixed the problem that has noise when playing DSD music(D2P mode).
*Note： During the update, please make sure there is enough power.