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
Since OWON does not host V3/V4 firmware publicly, the best route is to contact OWON directly. Visit the official OWON website ( https://www.owon.com.hk ) and scroll to the "CONTACT US" section at the bottom of the page to find their support email address. Explain your current firmware version and serial number; they may be able to provide a specific file directly.
Do not download firmware from random file-sharing sites or unverified YouTube descriptions. Using the wrong firmware file can permanently brick your oscilloscope.
On the oscilloscope, navigate to:
Early hardware revisions (such as HW 3.1) typically utilize the firmware branch (e.g., V1.5.1). Mid-to-later iterations rely on V4.X.X or V5.X.X branches.
, you must visit the official Lilliput (OWON) Download Center .
As of the latest updates, the firmware for the OWON HDS2102S is hosted exclusively on OWON’s global support portal. owon hds2102s firmware update link
It is recommended to backup any user-saved settings if possible. Enter Update Mode: Turn off the oscilloscope. Connect the USB cable to the PC.
: After the update, you may need to reset the language to English in the system settings. Key Features of HDS2102S
Owon provides firmware updates through their official website to ensure the integrity of your hardware. Downgrading a V4
Download the latest firmware file from the Owon website.
The device should appear on your computer as a standard removable USB flash drive.
: Navigate to System > System (F2) > Next Page to view your existing firmware and serial number. Visit the official OWON website ( https://www