2092 FLASH clear tools,made by CBM 2092 main control chips U flash disk ,it can only check the NAND flash chips ,It can clean the NAND flash ,but the 2092 main control chips information will write into the NAND flash 0 Track.the tools must connect to PC,and install the 2092 U flash disk driver software.
It can be identified Samsung, Hyundai, Micron NAND flash,under 16GB.
The use guide http://www.skmp3.com/Technical/2009/0626/article_16.html

2、MW6208、5128 FLASH clear tools, same as 2092 flash clear tools.