The SanDisk microSD card is a storage device/medium in the TransFlash/microSD format. The standard ones come in all different capacities, up to 2GB. It was released in October 2001.
There is a Lock switch on the left side of the SD card. Make sure the Lock switch is slid up (unlock position). You will not be able to modify or delete the contents on the memory card if it is locked.
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