Transferring files locally is still an unsolved problem. Bluetooth is cumbersome and slow, WiFi would be better, but something like AirDrop for non Apple device

Transferring files locally is still an unsolved problem. Bluetooth is cumbersome and slow, WiFi would be better, but something like AirDrop for non Apple devices would be great. For SD-cards, many Android smartphones can be used to read it. Unfortunately iPhone has no SD slot.