Exploiting my DAP [which is running Android 12] i almost immediately run into a recent novelty of modern Android versions [ >11 ] of taking away permission from not in ROM applications to write to the root of sd-cards. In order to make changes to the SD card, third-party software should request permission to access the SD card’s root folder. However, Android now restricts this by offering to choose a folder other than the root folder [“for the sake of your security”].