Update Verified: Owon Hds2102s Firmware
Once the DFU tool says "Update Successful" (approx. 90 seconds), close the tool and unplug the USB cable.
Windows often misidentifies the HDS2102S in update mode. Here is the verified driver fix:
Do it. The bootloader is surprisingly robust. I’ve flashed three units (mine and two friends’) using this method, and none bricked. The improved trigger stability on the 100MHz bandwidth alone is worth the 5-minute effort.
Warning: Do not pull the USB drive during the "Writing" phase. That will brick it.
Have you tried the update? Did you find a newer .bin file? Let me know in the comments.
The Owon HDS2102S Go to product viewer dialog for this item.
has received critical acclaim as a budget-friendly 3-in-1 handheld tool, particularly after a verified firmware update resolved a notorious display bug. Earlier versions suffered from an incorrect graticule spacing at the 2ns/div horizontal setting, which made a 100 MHz signal appear as 125 MHz. Verified Firmware Improvements
The most significant verified fix came with version 1.51, which corrected the 2ns/div display issue. Subsequent updates like v4.7.1 have further enhanced the device by adding RMS measurements and fixing dual-channel trigger bugs. Performance & Usability Review Multimeter & Generator: The
integrates a 20,000-count DMM and a 25 MHz arbitrary waveform generator (AWG), both of which are highly rated for their accuracy.
Portability: Users frequently cite its battery-powered nature as a major advantage for field work, such as HVAC maintenance or on-site embedded system troubleshooting.
Hardware Sensitivity: Unlike some competitors, Owon's firmware updates are strictly tied to specific hardware versions. Attempting to flash firmware meant for a different PCB version (e.g., v2.20 vs. later models) can brick the unit. Community Feedback
Forum users on EEVblog have shared their hands-on experiences:
“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
and it does everything I need. It is also battery powered so it's nice and easy to bring to a customer site.” Reddit · r/embedded · 1 year ago How to Verify Your Update OWON HDS 200 Handheld Oscilloscope w/ builtin DMM/AWG
Updating the firmware on your Owon HDS2102S handheld oscilloscope is the best way to eliminate software bugs, improve waveform refresh rates, and ensure your signal generator functions remain stable. Because a failed flash can brick your device, using a verified process is essential.
Follow this guide to safely update your Owon HDS2102S to the latest verified firmware version. 🛠️ Preparation and Requirements
Before starting, gather these items to prevent any interruptions during the data transfer:
USB-C Cable: Use a high-quality data cable (the one included in the box is preferred).
Windows PC: The update utility is currently only compatible with Windows.
Battery Charge: Ensure your HDS2102S has at least 50% battery or is plugged into a stable power source.
Current Version Check: Press Utility > System Info to note your current "V" version. 📥 Downloading the Verified Files
Do not download firmware from unofficial forums. Always pull the latest package directly from the manufacturer to ensure the checksums match your hardware revision. Visit the Owon Official Website (owon.com.hk). Navigate to the Service & Support > Download section. Search for HDS200 Series. Download the Firmware Update Package and the USB Driver. 🔄 The Step-by-Step Update Process 1. Install the Drivers
Unzip the downloaded folder and locate the driver installer. Run the setup as an administrator. This ensures your PC recognizes the oscilloscope when it enters "Update Mode." 2. Connect in Update Mode owon hds2102s firmware update verified
Power off your Owon HDS2102S. Connect it to your PC via USB-C. While the device is off, hold down the "A" button (or the specific key combo indicated in your download readme) and press the Power button. The screen may remain dark or show a bootloader message. 3. Run the Update Utility
Open the Owon Update software on your PC. It should display "Device Connected" in the status bar. 4. Load and Flash
Click Open and select the .bin or .hfs file from your download. Verify that the file name matches your model (HDS2102S). Click Update.
Important: Do not touch the cable or turn off the PC during the progress bar move. 5. Finalize the Update
Once the software says "Success," the oscilloscope will typically reboot. If it doesn't, manually power it off and back on. ✅ Verifying the Update
To confirm the update was successful, perform these three checks:
Version Verification: Go to Utility > System Info and confirm the version number has changed.
Self-Calibration: After any firmware change, it is highly recommended to run the Self-Cal routine from the Utility menu to ensure measurement accuracy.
Test the AWG: If you have the "S" model, test the Arbitrary Waveform Generator to ensure the update didn't reset your signal output parameters. ⚠️ Troubleshooting Common Issues
Device Not Found: Change your USB port (use a rear port if on a desktop) or try a different USB-C cable.
Update Failed at 99%: This usually indicates a driver conflict. Restart your PC and try again with "Run as Administrator."
Screen Won't Turn On: If the device is unresponsive, remove the 18650 batteries for 30 seconds, reinsert them, and try to boot normally. If you'd like, I can help you find: The latest version number currently available A link to the official Owon driver page
Instructions on how to backup your current settings before flashing
Verified Firmware Update for Owon HDS2102S: A Step-by-Step Guide
As an owner of the Owon HDS2102S handheld oscilloscope, you're likely eager to keep your device up-to-date with the latest features and improvements. In this post, we'll walk you through the process of updating your Owon HDS2102S firmware, verifying its authenticity, and ensuring a smooth transition to the latest version.
Why Update Your Firmware?
Regular firmware updates can bring significant enhancements to your device, including:
Preparing for the Update
Before you begin, make sure:
Downloading and Verifying the Firmware
Updating the Firmware
Verifying the Update
Conclusion
By following these steps, you've successfully updated your Owon HDS2102S firmware to the latest version. Regular firmware updates will ensure your device stays optimized, secure, and equipped with the latest features. If you encounter any issues during the update process, feel free to reach out to Owon's support team for assistance.
Resources
Stay up-to-date, and happy measuring!
Verified Firmware Updates for the OWON HDS2102S Updating the firmware on the OWON HDS2102S
handheld oscilloscope is a critical maintenance step that can resolve hardware-level display bugs and improve measurement accuracy. However, unlike standard consumer electronics, these updates are highly hardware-specific and require careful verification to avoid bricking the device. Why Update? Key Fixes and Improvements
The most significant verified fix in recent firmware versions (such as ) addresses a major horizontal display discrepancy Original Issue
: In the 2ns/div range, graticules were incorrectly spaced, leading to inaccurate frequency readings (e.g., a 50 MHz signal appeared as 16ns instead of the correct 20ns). Verified Fix
: Version 1.5.1 corrected this scaling, ensuring that 50 MHz signals are properly timed across the 10-division display. Performance Stability
: Newer firmware versions also improve digital trigger robustness and hysteresis settings, making the device more reliable in electrically noisy environments. Critical Pre-Update Verification
Before attempting an update, you must verify your specific hardware version. OWON uses different firmware tracks for different manufacturing batches, and they are not cross-compatible Check Current Version
: Navigate to the "System" menu to find your current firmware string. Major Version Lock : If your device is on a
track, it can only be updated to other V4 versions. You cannot "downgrade" to V1 or V2 tracks, nor can older V1 hardware typically use V4 firmware. Hardware Compatibility
: Certain older models use a "Gigadevice" with OTP (One-Time Programmable) SecureRom that may be physically non-upgradable. Verified Update Procedure
If you have confirmed a compatible update is available from the official OWON Download Center , follow these verified steps: Software Prep : Download the Launcher.exe or update tool provided in the firmware package. Driver Installation : Connect the
to your PC via USB. Ensure the USB drivers are correctly identified in your PC's Device Manager Enter Update Mode Set the USB mode to in the device's system menu. Some versions require copying a file (e.g.,
) directly to the device's root directory while it is mounted as a removable disk. Other versions use the PC software to put the device into bootloader mode
by turning it off and then on while the software is "waiting".
: Once the progress bar finishes, the device will typically reboot automatically. Press on the device to confirm and finalize the installation. Important Safety Warning Official OWON support has occasionally advised users not to upgrade
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?
Updating your Owon HDS2102S firmware can resolve critical hardware-software discrepancies, such as the widely reported 2ns/div display timing issue where graticules were previously misaligned. Verified Firmware Update Procedure
To ensure a safe and successful flash, follow these steps derived from verified user guides: Identify Current Version Once the DFU tool says "Update Successful" (approx
: Navigate to the "System" menu on your device to check your current firmware and serial number.
: Owon firmware is highly specific to hardware revisions. Users with version
have been advised by Owon support not to "downgrade" to older listed versions like V1.5.1. Download the File : Visit the Owon Download Center
and enter your specific model and current version number to find the correct update package. Prepare the Connection Connect your HDS2102S to a PC via a USB-C cable. In the scope's System menu, set the USB mode to (Mass Storage Class). Transfer Firmware A removable disk should appear on your PC. firmware file into the SYSTEM folder on that disk. Initiate Flash Power off the device.
Power it back on. The device should automatically detect the update, perform the flash, and then shut down. button after rebooting to confirm the successful update. Recent Firmware Fixes (As of 2025/2026) V4.7.1 & Above : Resolves a 2-channel trigger bug and adds functional RMS measurements
: Verified to fix the 2ns/div horizontal scale error, ensuring a 50 MHz signal displays correctly across the graticules. New Features : Some recent updates have added vertical units for , ideal for users with current clamp meters. Safety Note:
Always verify that your serial number range matches the firmware package requirements. Flashing incompatible firmware can lead to an "upside-down screen" or a bricked unit. specific download link for your device's current version number?
Feature 1: Auto-Update Notification
Feature 2: Firmware Rollback Protection
Feature 3: Verified Update Process
Feature 4: Update History Log
Feature 5: Remote Update Capability
Feature 6: Automatic Backup of Settings
Feature 7: Firmware Update via USB/SD Card
Feature 8: Update Validation and Error Handling
Feature 9: Security Patch Management
Feature 10: User Notification and Guidance
These features can enhance the firmware update experience for Owon HDS2102S users, providing a more secure, efficient, and user-friendly process.
Before diving into the process, let's address the elephant in the room: Why is verification so critical for this specific model?
The OWON HDS2102S operates on a dual-processor architecture (one for the scope acquisition, one for the UI). A failed or corrupted firmware update can lead to:
Many forums are littered with users who downloaded beta files from unverified third-party hosting sites. A "verified" update means the firmware comes directly from OWON’s official distribution channel or a trusted source with matched MD5 checksums.
After the reboot, go to Utility > System Info. Signal Verification: Use the built-in 1kHz square wave
Confirmed fixes in the latest build (v20240820):
One regression: The battery percentage indicator seems slightly jumpy (20% -> 45% instantly). This is cosmetic.