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