Before updating, check your current firmware to ensure you actually need the update. Turn on the . Press the [SYSTEM] button. Select [SYSTEM] (F2) on the screen.
Are you running into a that prompted you to look for an update?
Turn the scope back on, navigate to , and verify that the target version matches your intended update number. For V4 branches, you should see the updated suffix reflected accurately. 2. Horizontal Timing & Graticule Correction Test
Step 3: First Boot and Sanity Checks After reboot, the login banner displayed v1.04 and a fresh default wallpaper. He reloaded his saved configuration, which restored channel labels, probes, and measurement presets. He ran a quick sanity check: a 1 kHz square wave from the function generator into Channel 1, channel 2 tied to ground. The trace was steady, measurements matched the generator to within expected tolerance, and trigger behavior looked normal. owon hds2102s firmware update verified
if no specific issue is being experienced, stating that the latest versions for certain serial numbers may not be publicly posted. If your device is functioning correctly and does not show the 2ns/div display bug, it is often safer to remain on the factory-installed firmware. or locate the exact firmware file based on your device's serial number?
: Re-verify your USB system settings. The scope must be set to MSC mode rather than HID or standard communication mode. Ensure the file is exactly named Scope.upp .
Install the specific USB device drivers from the manufacturer's package and verify they appear in the PC's Device Manager. Before updating, check your current firmware to ensure
Right-click the driver installer (usually named CH341SER or similar Owon USB driver) and select . Follow the prompts to complete the installation. Step 3: Connect the Device in Upgrade Mode Ensure the HDS2102S is completely powered off.
Upgrading the firmware on the is a precise process that can resolve significant performance issues, such as the widely documented 2ns/div display discrepancy . However, proceed with caution: Owon support often advises against updates unless you are targeting a specific fix, as newer firmware is strictly hardware-version dependent . Verified Firmware Fixes
Step 6: Regression and Feature Check Good firmware can’t fix one thing and break another. Jun ran a brief regression suite: channel calibration, FFT analysis, measurement averaging, USB mass-storage read/write, and the menu navigation speed. Everything behaved as expected. The UI refresh felt snappier; menus that had once skipped frames while rendering long lists now scrolled smoothly. Select [SYSTEM] (F2) on the screen
Here, you will see your device's (e.g., main_V1.1.1) and your Firmware Version (e.g., V4.3.0).
A common mistake is attempting to use a USB flash drive via the device's USB-C port. Multiple sources confirm this method does not work. One Japanese distributor's Q&A explicitly states:
“I wouldn't say the Owon is bad... not as a main scope, but as a portable battery powered unit for simple testing it's useful.” EEVblog · 1 year ago “For light duty, I use an Owon HDS2102S
Just successfully updated my to the latest firmware. After testing and verification, the update is stable and improves a few key areas:
Reviewers have verified that updating to at least (for compatible hardware) fixes a significant scaling error: