The handheld oscilloscope (part of the HDS200 series) famously had a display scaling bug where the timebase actually measured as . This caused high-frequency signals, such as a wave, to appear with incorrect periods (showing instead of the correct The Fix: Firmware Version 1.5.1
The is a popular 3-in-1 handheld oscilloscope, but early versions often shipped with bugs that hampered its 100MHz potential. Specifically, users frequently encounter a graticule display issue at the 2ns/div setting and missing RMS measurements in the multimeter or oscilloscope menus. Fortunately, a firmware update can resolve these bugs and improve stability. Key Issues Fixed by Firmware Updates owon hds2102s firmware update fix
: These are newer hardware revisions. Owon has explicitly stated that users with these versions should not attempt to "upgrade" to V1.x.x or V2.x.x, as it can brick the device. Currently, there are often no downloadable updates for these series because the bug was fixed at the factory level. How to Update (General Steps) If you have a V1 or V2 unit and need the fix: The handheld oscilloscope (part of the HDS200 series)
Select , navigate to the next page, and select Upgrade . Connect the scope to your PC via the USB-C cable. Fortunately, a firmware update can resolve these bugs
: 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
I recently tried to update the firmware on my Owon HDS2102S to the latest version and ran into a snag. After running the update, the scope was stuck on the boot logo (and eventually went to a white screen). For anyone else facing this, here is how I managed to fix it.