Verified OWON HDS2102S Firmware Update: A Comprehensive Guide
The OWON HDS2102S is a popular handheld oscilloscope that offers a range of features and functions for engineers, technicians, and electronics enthusiasts. However, like any electronic device, it requires periodic firmware updates to ensure optimal performance, fix bugs, and add new features. In this article, we will guide you through the process of updating the firmware of your OWON HDS2102S, verifying the update, and troubleshooting any potential issues.
Why Update the Firmware?
Updating the firmware of your OWON HDS2102S can bring several benefits, including:
Preparing for the Firmware Update
Before you start the firmware update process, make sure you:
Updating the Firmware
To update the firmware of your OWON HDS2102S, follow these steps:
Verifying the Firmware Update
After the update process is complete, verify that the new firmware version is installed correctly:
Troubleshooting Firmware Update Issues
If you encounter any issues during the firmware update process, refer to the following troubleshooting steps:
Conclusion
Updating the firmware of your OWON HDS2102S can bring several benefits, including improved performance, new features, bug fixes, and security patches. By following the steps outlined in this article, you can successfully update the firmware of your OWON HDS2102S and verify that the update was successful. If you encounter any issues during the update process, refer to the troubleshooting steps provided. Always ensure that you download the latest firmware version from the OWON website and follow the recommended update process to avoid any potential issues.
Upgrading the firmware on the Owon HDS2102S is a precise process that can resolve significant performance issues, such as the widely documented 2ns/div display discrepancy. However, proceed with caution: Owon support often advises against updates unless you are targeting a specific fix, as newer firmware is strictly hardware-version dependent. Verified Firmware Fixes
Horizontal Scale Fix: Updating to v1.5.1 or higher resolves a bug where 50 MHz signals displayed incorrectly at the 2ns/div range.
Measurement Units: Recent updates (e.g., v4.7.1) have added the ability to display vertical units in Amperes, which is helpful when using current clamp meters. Before You Start: Compatibility Check
You must match your firmware version precisely to your hardware. Updating with an incompatible file can lead to "Upgrade Error 4" or a bricked device.
Check Version: Navigate to System > System > Page 2 > About on your device. Version Chains:
If you are on v1.x.x, you can typically only upgrade to other v1.x.x versions.
If you are on v4.x.x, updates often transition from v4.1.0 toward v4.7.1 or v4.9.0. Verified Update Procedure
Download Official Files: Visit the Owon Download Center and search for your specific HDS200 series model.
Enable MSC Mode: Connect your scope to a PC via USB. On the scope, go to System > USB and select MSC (Mass Storage Class). The device will appear as a removable drive.
Transfer File: Copy the firmware file (e.g., Scope.upp) directly to the root of the removable drive.
Initiate Flash: Power the scope off and then back on. The device will automatically detect the file, perform the upgrade, and shut down once finished.
Verify: Power it back on and check the version number in the System menu. Community Tools & Alternatives
Owowon UI: For users looking for faster data acquisition (up to 100 readings per second), the Owowon GitHub project offers a custom Windows interface tested specifically with HDS2102S v1.5.
Historical Archive: Community-maintained hardware and firmware logs can be found on GitHub by fuho, detailing board dates and specific serial number ranges for safe matching.
If you'd like, let me know your current firmware version or the hardware date from your system menu, and I can help you verify if a specific update like v1.5.1 or v4.7.1 is safe for your unit.
Upgrading the firmware on your OWON HDS2102S can resolve critical issues, such as a known display bug where a 50 MHz signal appeared incorrectly at the horizontal range. However, verified safety is paramount
; the manufacturer warns that firmware versions are specific to hardware revisions and that installing the wrong version can cause malfunctions. 🛠️ Pre-Flight Verification (Crucial)
Before attempting any update, you must identify your current hardware and software version. Check Version F2 (System)
, and navigate to the next page to find your current version (e.g., The "Golden Rule" : If your version starts with a certain number (e.g., ), you can update to versions starting with that same number. Do attempt to "upgrade" from
just because it's on the website—this is often a hardware-specific version. Manufacturer Warning
: OWON has explicitly stated for some users that there may not be a downloadable latest version for certain HDS2102S units and advised against upgrading. 📖 The Update Procedure (Standard MSC Method) For most units that support user updates (like the owon hds2102s firmware update verified
series), follow these steps found in the official manual and user communities: Prepare the Unit : Turn on the scope, push F2 (System) , go to the next page, and select Connect to PC
: Connect the HDS scope to your computer via USB cable. In the menu, set the USB mode to
(Mass Storage Class). Your scope should now appear as a removable disk on your PC. Transfer Firmware : Copy the verified firmware file (typically named ) directly to the root of the removable disk. Execute Flashing Turn off the scope and then turn it back on.
The scope will automatically begin the upgrade process and will turn off itself once finished. Confirm Success : Turn the scope back on and return to the
menu to verify that the version number has changed (e.g., to ⚠️ Troubleshooting & Warnings Driver Issues
: If your PC doesn't recognize the device, you may need to install the specific USB drivers from the OWON Download Center Hardware Changes
: Units manufactured at different times use different flash chips (e.g., Gigadevice vs. Macronix). Gigadevice chips often have hard-coded checksums and may be unupgradable Upside Down Screen
: A common symptom of installing incompatible firmware is the LCD display rotating 180 raised to the composed with power
. If this occurs, you must revert to your original firmware version immediately. For official files and manuals, visit the Lilliput (OWON) Support Page What is your current firmware version number so I can help you confirm the safest path?
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
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. Preparing for the Firmware Update Before you start
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
To update the firmware on an OWON HDS2102S , you must ensure the update file matches your device's specific serial number range and hardware version. Applying incompatible firmware can cause permanent malfunctions or "brick" the device. Fujian Lilliput Optoelectronics Technology Co.,Ltd Verification and Download Official Source : Downloads are available through the Owon Download Center Version Compatibility
: The HDS200 series uses hardware-specific firmware branches. For example, if your device has , you cannot "upgrade" or "downgrade" to Serial Number Check
: Always verify that the firmware matches your serial number range (e.g.,
) before proceeding. If your specific model isn't listed, Owon recommends contacting their support directly with your serial number to request the correct file. Update Procedure Preparation
: Download the firmware package and extract the contents. Ensure you have the PC Software for HDS200 and the necessary USB drivers installed on your computer. Connection : Connect the HDS2102S to your PC via a USB cable. Use the Device Manager to confirm the drivers are recognized. Flashing Tool : Open the firmware update utility (often Launcher.exe
). Select your language and follow the on-screen instructions. Bootloader Mode
: The software will typically prompt you to power the device off and then on again to enter bootloader mode. Completion
: The tool will transmit the data and the device will reboot automatically. Press
on the oscilloscope after it restarts to confirm the update is complete. Verified Fixes Display Issues : Firmware version is verified to fix a horizontal scaling bug where the
range displayed incorrectly (e.g., showing a 50 MHz signal with an 8-division period instead of the correct 5-division period). serial number
The firmware update for the OWON HDS2102S is VERIFIED SUCCESSFUL. The device is cleared for operational use.
Verified by: [Your Name/Title] Signature: ____________________
The Owon HDS2102S firmware update is a critical maintenance step primarily used to resolve a known horizontal display bug at the 2ns/div time base. However, official firmware distribution is strictly tied to specific hardware revisions and serial numbers, meaning there is no "universal" latest version for all units. Key Verified Fix: 2ns/div Display Issue
Reviewers have verified that updating to at least version 1.5.1 (for compatible hardware) fixes a significant scaling error:
The Bug: A 50 MHz signal at the 2ns/div setting incorrectly spanned 8 divisions (16ns period), showing inaccurate data.
The Verified Fix: After the update, the same signal correctly spans 10 divisions for a full waveform (20ns period), aligning with the true 50 MHz frequency. Critical Warning: Firmware Compatibility
Do not attempt to flash any firmware found online without first verifying your unit's current version and hardware generation.
Version Locking: Units running V1.x, V2.x, V3.x, or V4.x are generally not compatible with each other. For example, if your unit has V4.3.0, you cannot "upgrade" it with V1.5.1 or V2.0.4 files.
Hardware Changes: Older units used Gigadevice flash chips that are often non-upgradable due to hard-coded checksums, while newer units (hardware V3.0+) use Macronix chips that support updates.
Official Stance: Owon has occasionally advised users via email not to upgrade if no version is specifically listed for their serial number on the Owon Download Center. Verified Update Methods
Two primary methods have been documented by the community for the HDS200 series: Mass Storage (MSC) Method: Set the USB mode to MSC in the system menu.
Connect to a PC; the scope will appear as a removable drive. Copy the Scope.upp firmware file to the root directory. Restart the device to trigger the automated update. Bootloader/Tool Method:
Uses specialized flashing software provided by the manufacturer (often found on Onetech).
Requires manual installation of USB drivers and putting the device into bootloader mode by cycling power while connected to the PC. Known Firmware Versions OWON HDS 200 Handheld Oscilloscope w/ builtin DMM/AWG
The Owon HDS2102S Go to product viewer dialog for this item.
handheld oscilloscope has an established firmware update process that resolves critical bugs, most notably fixing a display timing issue where a 2ns/div setting previously showed incorrect waveforms. Verified Update Procedure
Updating the firmware involves putting the device into a "Mass Storage Class" (MSC) mode so a computer can recognize it as a removable drive.
Preparation: Download the correct firmware file (e.g., Scope.upp) specifically for your model from the Owon Download Center. Enter Upgrade Mode: Power on the device. Press the System button and navigate to System > Upgrade Establish PC Connection: Connect the to your PC via a USB-C cable. In the system menu, toggle the USB setting to MSC. Transfer & Install: Required Software & Files:
The device will appear as a removable disk on your computer. Copy the firmware file to this disk.
Power the scope Off and then back On. It will automatically install the update and shut down once finished.
Verification: Power on the device and check the version number in the System menu (e.g., version 1.5.1 or later) to confirm success. Key Benefits of Updating
Accuracy Fix: Corrects graticule spacing at high speeds (2ns/div), ensuring signals like 50 MHz are displayed with the correct period.
Enhanced Features: Newer versions (such as v4.7.1+) have been noted to include or improve features like RMS measurements and "auto" button stability.
Stability: Bug fixes for CSV file exports and system-level crashes reported in earlier versions.
Note: Always match the firmware to your device's specific serial number range, as some hardware revisions may not be compatible with all firmware versions.
Updating the firmware on an Owon HDS2102S requires extreme caution because hardware versions (HW) and serial numbers dictate compatibility. Attempting to install the wrong version can permanently brick your device. Critical Pre-Check
Before attempting any update, you must identify your current version and hardware:
Check Current Version: Navigate to the System or About menu on your device to find your current firmware (e.g., V1.x.x, V2.x.x, V4.x.x). Verify Compatibility:
Firmware versions are not interchangeable across mainboard versions. For example, a V1.x.x unit cannot be upgraded to V2.x.x.
Updates often depend on specific serial number ranges (e.g., 2152xxx). How to Perform the Update
If you have verified a compatible file from an official or verified source:
Download Official Files: Visit the Owon Download Center and filter by the HDS200 Series and Latest Firmware. Prepare the USB Drive: Format a USB flash drive to FAT32.
Copy the firmware file (usually ending in .bin or .upd) to the root directory of the drive. Do not put it in a folder. Initiate Update: Power off the device. Connect the USB drive using the provided adapter cable.
Power the device on. Depending on your version, it may auto-detect the file or require you to navigate to System > Update.
Wait for Completion: Do not power off or disconnect the device during the process. The unit will typically restart once finished. Important Warnings
Manufacturer Advice: Owon has occasionally advised users via email not to upgrade if the current firmware is stable, as some units ship with the latest supported version for their specific hardware.
Verified Fixes: Firmware version 1.51 is known to fix specific display discrepancies at the 2ns/div horizontal range.
Support: If you cannot find a version matching your serial number on the website, it is highly recommended to email Owon Support with your model and serial number to request the correct file.
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
: 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?
Once the DFU tool says "Update Successful" (approx. 90 seconds), close the tool and unplug the USB cable.
Utility -> System -> Touch Calibration. Use the included stylus to hit the crosshairs precisely.To perform a verified update, you must break the process down into hardware and software verification.
Required Hardware:
Required Software & Files:
HDS2102S_Vx.x.x.upd or HDSpkg.bin.CertUtil in Windows).