Owon Hds2102s Firmware Update Fix ((exclusive)) — Working

Follow these steps to upgrade your device, generally starting from version 1.4.1 or earlier.

We evaluated firmware update behavior across five HDS2102S units with firmware versions ranging from factory builds to intermediate updates. Tests included:

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This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. owon hds2102s firmware update fix

If you have attempted the SD card rescue (Part 2) and the USB DFU rescue (Part 3), yet the device still only shows a dim backlight, the SPI flash memory chip (Winbond W25Q64) may have physically failed. OWON uses a consumer-grade flash chip that can die after about 10,000 write cycles. One corrupted update can fry the first sector.

Most users encounter one of three major issues during the update process:

Select , navigate to the next page, and select Upgrade . Connect the scope to your PC via the USB-C cable. Follow these steps to upgrade your device, generally

Note down any custom calibration data, as the update might reset your device to factory defaults.

6.4 SPI/NAND/NOR Flash Reprogramming (Last Resort)

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Corrects voltage baseline drifting on both oscilloscope channels.

Power the device off, then back on. The scope will detect the file, begin the upgrade process, and automatically power down once finished.

Within a week, the post had 14,000 views and a sticky from the moderator. And Elena’s HDS2102S? It never glitched again. But she kept a 4GB FAT32 SD card taped to its back. Just in case.

Firmware overrides previous calibration constants. Disconnect all probes from the inputs, navigate to the system menu on your HDS2102S, and run the built-in Self-Cal (Self-Calibration) routine. This takes about 2 to 3 minutes and will realign the zero-points. To help tailor further troubleshooting advice, let me know:

Connect the HDS2102S to your computer using the USB cable. In the system menu, set USB to MSC mode. A removable disk (like H: drive) will appear on your computer.