If you are running a compatible OS version, but you don’t see the option to format the SD card as internal, then it has probably been disabled by the manufacturer. Some phone manufacturers ...

or A55 5G phone’s capacity with a Samsung 128GB MicroSDXC card. This is enough to store roughly 31,000 photos, 25 hours of video footage, or 4000 songs* (*capacity varies by format/file size ...

A modern SD card is mostly just plastic, as in the decades since the format was created, the size of the circuitry on it has decreased dramatically. So his stroke of luck was that the card ...