MP3 player categories is numerous, how to quickly identify your MP3 player`s control chip and get the stripe tools to rewrite the  firmware correctly.
 

     Usually , MP3 firmwares mainly have Actions, ANYKA, SIGMATEL, ROCKCHIPS, SUNPLUS, PHILIPs, SUNSUM etc..
  

    Keep an identify of view's method most is to tear open MP3 outer shells, find out main board`s the biggest black chip .Usually the  brand LOGO and model number marking generally and all.
  

     But for general consumer ,It`s difficult to look into the MP3 player to find the control chip`s brand and model.Now ,we provide a soft copy to detect the control chip`s model number automatically ,you can download it from the url: http://www.skmp3.com/down/2008/0503/down_222.html  .after linking the MP3 player by PC, after circulating this examination software, you will find the MP3 player`s control chips brand and midel.you can quickly check to seek opposite in response  of firmware.
  The software download url:http://www.skmp3.com/down/2008/0503/down_222.html 

     But the software can`t identify the new control chips such as sunplus SPCA8000,SPCA3052,Atj 2135 ATJ2137 ATJ2111,ATJ2110,/Rockchips .These chip need you open the MP5 player and view the control chips SN and mainboard SN. LCD SN. or camera SN.such as the picture.

how to quickly find the match firmwares to your mp3 player.

  first you need find the correct control chips SN.  mainboard SN. and LCD SN.

   www.skmp3.com had the search toolbar such as the picture:

 when you input the keywords ,you need choose the main keyworkds ,not tool long.such as the firmwares 280_V12 081230 SPMP3052B -HL171 CAMERA ID 0903 LCD SX.-2.8CPT-932502 4GB  wich you need ,you can input the keyworks :280_V12

then the firmwares name include the keywords will list ,then choose the LCD SN. match firmwares to download .

    the firmwares must macth to you MP3 player same as the control chips ,main board SN. and LCD sn.

    some times the main board SN same ,but the main control chips will be deffirent ,if you upgrade the firmware ,the MP3 player will be can`t work. if the LCD SN.not match ,the MP3will can`t show .