As you may know, SD is the acronym of Secure Digital; it is actually a non-volatile memory card format which was developed by SDA (SD Card Association) in 2000. Yet, the word card actually stands for memory card. In 1999, the concept of SD card was proposed by Japanese Matsushita; then, Matsushita, together with Toshiba and SanDisk, has finally designed SD card on the basis of semiconductor flash process.
Till now, SD card has been used by many people and formed one of the most popular removable storage devices. But the problem is useful files on SD card disappear sometimes during the frequent usage process. Thus, how to restore files from SD card draws much attention of the public.Read more »