If you don't have an SD card slot, use this special reader to lift content instead.
Sharp has launched the Aquos R8 and R8 Pro flagship phones. The two phones pack water-resistant designs, a microSD card slot, and a 3.5mm port. These phones will likely be restricted to Japan, though.
Both of the Steam Deck models available are compatible with pretty much any of the best MicroSD cards you can buy. With that ...