topic: NAND flash Mass Storage read access data corruption
detailed description: Data read from on board NAND flash device via Mass Storage Device Mode sometimes arrived corrupted on the PC. Reading the data in the running application was not affected by this issue. Writing data was not affected by this issue.
solution: solved in 4.1.3 Mass storage device mode is slower in 4.1.3 than in 4.1.2.
See all known issues.