User's Manual

22
If device fail to start up after charging, please contact distributors.
Twinkling screen after turn-on or sudden shut off after starting up.
Battery low, please charge the device.
No sound via earphone.
Check if volume is set at the lowest.
Check if audio file is damaged. Play other audio to reconfirm. Damaged file
may result in noise or staccato only.
Copy function is not working, fail to play music.
Check if PC and device is proper corrected.
Confirm whether storage space is full.
Confirm whether USB cable is damaged.
Confirm whether USB is out of connection.