There's a reason why some SD cards have a tiny switch on the side. It's actually there to help protect the data onboard, but ...

Companion library for Adafruit_GFX to load images from SD card or SPI Flash Requires Adafruit_GFX library and one of the SPI color graphic display libraries, e.g. Adafruit_ILI9341.

Let's decipher microSD card and SD card storage jargon, from UHS-II to microSD Express.