While the above method is specific to the DSOTC2, some similar devices (like dash cams or other electronics) use a different approach. For reference, here's the typical update process for many other devices:
Always use a high-quality (not a cheap charging-only cable). dsotc2 firmware upd
The complete guide to executing a explains how to upgrade your handheld digital oscilloscope and transistor tester safely. While the above method is specific to the
: Teardowns shared on the EEVblog forum suggest the dsotc2 firmware upd
Enhancements that make the unit run faster and more efficiently.