Downgrading a V4.X device to a V1.X firmware can completely break the screen or cause immediate calibration issues. How to Check Your Current Version What is the latest FW version for OWON HDS2102s? - EEVblog

If you have confirmed that a compatible update is available for your specific version:

, you must visit the official Lilliput (OWON) Download Center .

If you have found a compatible update (e.g., a .upp file), follow these steps:

Owon uses two primary methods for updating the HDS200 series: a direct PC software utility tool or a direct USB drive emulation copy method. Check the instructions included in your downloaded ZIP file to see which applies to your version. Method 1: PC Upgrade Utility (Most Common)

👉 http://www.owon.com.cn/download/HDS200S/

Finding the correct firmware for the OWON HDS2102S is a straightforward process if you utilize the official manufacturer link. However, the complexity lies in the hardware revisions. Always verify your current firmware version ( System -> About ) against the version available online before proceeding. For units running V3 or V4 software, the official update link will not work, and you are advised not to attempt an upgrade unless provided with a specific file by OWON support. When in doubt, leaving the firmware as is will ensure your HDS2102S continues to provide reliable service as a field-ready oscilloscope, multimeter, and signal generator.

Grab specific firmware packages on the OWON Firmware Upgrade Page . HDS200 Series Hub: The exact matching models, including the , are managed on the OWON HDS200 Hub.

: Go to the OWON Firmware Upgrade page or use the HDS200 Series Download Center . Select your specific model (

Connect the powered-off or powered-on device to the PC.

Closing Updating firmware can keep your HDS2102S running smoothly, but follow the official instructions and use only the model-specific firmware to avoid problems.