Verdict: If your version number is below v1.3.0, you need to update.
: Safely eject the device, turn the scope off, and then turn it back on. The device will automatically begin the upgrade process and power off once completed. owon hds2102s firmware update
: Found in the newest 2024/2025 hardware revisions, which may include features like True RMS. Verdict: If your version number is below v1
: Navigate to the System menu on your scope to find your current firmware (e.g., V1.5.1 or V4.7.1). turn the scope off