As of early 2026, the latest official firmware for the FNIRSI 1014D is . Release Date: Roughly October 2021.
Connect the oscilloscope to your computer using a USB-A to USB-A cable.
On the oscilloscope, go to MENU > USB export . Your computer should recognize a new 8GB drive. Transfer Firmware: Open the new drive and delete any existing files. Copy your new FSI-1014.bin file onto the root of the drive. fnirsi 1014d firmware link
Always ensure your device has a stable power supply during the update. If the wrong firmware is loaded and the screen becomes unreadable, you may need to open the device and manually format the internal SD card. EEVbloghttps://www.eevblog.com Reverse engineering the FNIRSI 1014D - EEVblog
Download the latest firmware, which should be a .bin file (typically named FSI-1014.bin ). As of early 2026, the latest official firmware
Some users have reported issues with official download links on Chrome; if a link fails to trigger a download, try using Firefox or checking community forums like Linuxslate.com for direct file links. How to Update Your FNIRSI 1014D
Another community-driven project on GitHub provides alternative software and calibration tools, though it requires caution to avoid bricking. On the oscilloscope, go to MENU > USB export
Safely eject the drive, disconnect the USB cable, and power the oscilloscope off and back on.