Storage in an SD card is determined by the number of clusters, how many blocks there are per cluster, and how many bytes there are per block. This data is read out of the Card Specific Data ...

On a Micro SD card you ... hidden away inside. Then solder your enameled wire onto the small solder pads to hook it up to a NAND reader and you should be able to read the data that was previously ...

One of the things Android fans like to point out is that their device-of-choice includes an SD card slot for cheap, removeable storage for photos, songs, apps etc., unlike the iPhone or iPad.