This article provides a complete, hands‑on guide to everything related to OWON HDS242 firmware: how to identify your current version, the documented history of releases, how to perform an update, known issues and how to solve them, community‑driven modifications, and the open‑source tools that let you control the scope from your computer.

If you notice a DC offset in your measurements after updating, run the internal Self-Calibration

Before attempting any update, you must identify your current version and hardware board: Turn on the device and press the F2 (System) Navigate to the second page by pressing F1 (About) to view the firmware version and hardware (HW) version. device.report Where to Find Firmware Official firmware can be found at the Lilliput (OWON) Download Center