User's Guide
35 
Common troubleshooting 
1.  What is Android? 
Android  is  Google  on  November  5,  2007  announced  the  open  source 
Linux-based operating system name. 
2.  What is APK? 
APK is android Package acronym that Android installation package. 
3.  How to obtain the APK? 
You  can  download  via  PC-side  installation,  or  via  “Android  market”  online  to 
download and install. 
4.  The machine operating system version? 
This  machine  adopts  Android  4.0, built-in  hardware  3D  acceleration,  can  run 
Android applications market most. 
5.  Why the products cannot be opened? 
Check the battery. If the battery is discharged, please use the provided adaptor to 
charge the battery and then retry. Based on the discharging state, the charging of full 
battery  needs  some  time.  If there  is  no  response  of  the  product,  please  RESET  the 
unit. Note that RESET will be disconnected, but there is no influence on the product. 
6.  Why the machine no sound playing?   
Check whether the voice is set to "0". If it is so, please control it to your favorite 
position.  Check  whether  there  is  any  playing  source  on  the  product.  If  there  is  no 
playing source on the product, there will be no output of sound. 
7.  Noise in playing? 
 The  damaged music files may utter noise, or  discontinued  sound output.  Check 
whether the earphone  is connected. There is impurity in the  jack/terminal in  the 
earphone and there is noise. 
8.  The time for playing the files in the connected memory is shortened? 
Compared with the files in the built-in memory,  it requires  more sources while 










