Despite most smartphones dropping the option for expandable storage, we are reaching unprecedented densities of storage, up to 1TB in a form factor as small as a microSD card. While the use for these ...

If the microSD card is unreadable through a peripheral device, the card may use an incompatible file system, such as NTFS, or it may not be formatted at all. Data corruption could also be the culprit.

Personally one of the easiest ways I find for formatting and loading SD cards with a wide variety of different operating systems is the free utility provided by the Raspberry Pi foundation. Although ...