Control: example - ACU7515
Plate No.: example- ZX-6160L
Screen No.: example - LKD-1697U-U2
Plate Number: PCB board, in a number of different manufacturers can distinguish between the following plans:

Screen Number: Displayed on the screen in a number of different manufacturers can distinguish between the following plans:

The best way to find firmware is to search by:
1. The board of PCB
2. The display screen, waiting online or in the side of the screen
3. Master models S1 MP3 PLAY use ATJ2091 ATJ2093 ATJ2097 CTW500 ACU7513 ACU7515 ACU7503 ATJ2135
The most convenient way is to search for PLATE information, such as plate, JB91B11V10 firmware can directly search 91 B11, and not search complete information!
Many are generic firmware. Just the front are the factory codes. Then find a suitable display their own firmware can be!
Based on the above information we can find a useful firmware!
Search now! link
http://bbs.mydigit.cn/search.php