Owon Hds2102s Firmware Update Fix

Firmware flashing carries inherent risks. A failed update can permanently brick your handheld oscilloscope.

handheld oscilloscope had a notable display bug where waveforms appeared incorrectly compressed at the horizontal scale. For instance, a 50 MHz signal (20ns period) would erroneously appear as a 16ns period when set to the 2ns/division range.

Before attempting any firmware modification, you must prepare your environment to prevent data corruption. owon hds2102s firmware update fix

: This indicates a firmware version mismatch (e.g., flashing a v3.x build onto a v2.x mainboard). You must force the device back into Bootloader mode by holding the update key combo during power-up, then re-flash the correct, original base version of your hardware revision.

Launch the OwonOscilloscopeUpgrade.exe application on your PC. Firmware flashing carries inherent risks

Most “failed” updates are actually USB drive failures. Do this exactly:

: Launch the Owon PC software. It should recognize your handheld device. For instance, a 50 MHz signal (20ns period)

Place the firmware file in the root directory of the USB drive. Connect it to the HDS2102S using the USB-C adapter. Access the and select the Update option.

The most critical issue HDS2102S owners face is a widespread confusion over firmware version numbering. A user on the EEVblog forum reported:

Locate the flash memory chip (usually a standard SPI Flash chip near the main processor). Connect a clip to the chip.