Navigate to your SD card’s root directory. Look for folders named like:
Inside, you will see numerous files with extensions: .uup, .cab, .psf, .bin, and a few scripts (uup_download_windows.cmd, convert.cmd). sd card uupdbin
If you want to tidy up your SD card:
Standard SD cards use TLC or QLC NAND flash. Converting UUP files involves: Navigate to your SD card’s root directory
This process can generate tens of gigabytes of writes. Cheap SD cards may corrupt or fail after repeated heavy write cycles. For one or two conversions, fine. For weekly builds, invest in a high-endurance SD card (marketed for dashcams) or use an external SSD instead. Inside, you will see numerous files with extensions:
An enthusiast with multiple PCs (desktop, laptop, tablet) might download the UUP set once onto an SD card, then move that card between devices. Each device can run the conversion script locally to create an ISO, saving bandwidth.