: Ensure the firmware filename matches exactly what the device expects (usually Scope.upp ). Do not put the file inside a folder on the device. Hardware Version Recommended Firmware Key Change V1.0 Fixes 2ns/div graticule bug V3.0 General stability and UI fixes V4.0+ Includes RMS measurements
This assumes the device is stuck, fails to boot, or shows erratic behavior after an update attempt, and provides a structured fix procedure. owon hds2102s firmware update fix