: For those frustrated with the official software, there is an ongoing open-source reverse engineering project on GitHub aimed at providing more accurate filtering and bug fixes. FNIRSI 1014D - How to do a Firmaware Upgrade Tutorial
The FNIRSI-1014D is one of the most popular budget-friendly, dual-channel digital oscilloscopes on the market. While it offers incredible value for hobbyists and makers, the factory firmware often suffers from UI lag, measurement inaccuracies, and occasional system freezes.
: If your device is bricked, some users suggest using a Linux-based environment to write to sector 16 of the internal SD card directly via a card reader. finding the specific links
. If your screen appears shifted or distorted after an update, you likely need the "other" version of the v3.0 firmware provided by FNIRSI to match your specific display.
Follow these steps carefully to ensure a successful update. 1. Prepare the Device fnirsi-1014d firmware update
The official update tools are designed primarily for Windows environments.
: Once the bar fills, the device will reboot automatically with the new firmware active. Troubleshooting Common Issues
Wait for the progress bar to reach 100%. Step 5: Verify the Update
Enhances the reliability of high-frequency waveform captures. : For those frustrated with the official software,
| Aspect | Common Finding | |--------|----------------| | | Better FFT scaling, reduced noise on 10mV/div, faster UI response | | New Bugs | Some versions lose probe compensation output or corrupt saved screenshots | | Version Chaos | No official changelog – users rely on forum posts from v1.0.3 to v1.0.7 |
If you're looking to update your own FNIRSI-1014D, here is the standard workflow:
For those looking to solve bugs or enhance their device, independent online resources have proven invaluable. The most significant source is the , where enthusiasts have been actively reverse-engineering the scope. This work has led to the creation of several open-source firmware projects.
Click on the "Browse" or "Path" button within the software and select your downloaded .bin firmware file. Step 4: Flash the Firmware Click the or "Start" button. : If your device is bricked, some users
is a critical maintenance task that can resolve display bugs, improve performance, and potentially unlock new features . As of early 2026, the current official firmware version for the FNIRSI-1014D is . Why Update Your Firmware? Firmware updates for the FNIRSI-1014D
Before starting the update process, gather the following tools to ensure a smooth installation:
Connect the USB cable from the oscilloscope's USB device port to your computer.
In June 2024, a bootloader was added that allows you to choose between multiple firmware versions at power‑on. To activate the menu, . The screen then shows a menu where you can select which firmware to run. This makes testing different builds completely safe – if a new build fails, you can simply reboot and select the known‑good one.