Question:
Can I save a Ui24R snapshot to my PC without using a USB stick?
Answer:
Yes, you can do that by exporting the snapshot to your PC as a .json file. The process is shown in the below video.
https://www.youtube.com/watch?v=X_yDhjgnbII
Then you can import the .json file into the console, rename and save it as a show file/snapshot into the console.