: For power users, there are community-driven projects on GitHub that offer improved RMS measurements and even multi-boot menus to switch between official and custom software.
Navigate to the category and select FNIRSI-1014D .
Check your current version before updating. If you are on V2.0.9 or older, the difference in stability is night and day. fnirsi1014d firmware update work
The bootloader did not detect the update file. Solutions:
If your update did not work, check these common points of failure: : For power users, there are community-driven projects
Plug the oscilloscope into a stable power outlet using its official 5V/2A power adapter. Do not rely on PC USB power to run the scope during an update. Step-by-Step FNIRSI-1014D Firmware Update Process
You can find the necessary firmware files from these sources: If you are on V2
This community firmware is hosted on GitHub in repositories such as pecostm32/FNIRSI_1014D_Firmware and Donwulff/FNIRSI_1014D_Firmware . The project is a result of hacking the original FNIRSI 1013D and 1014D firmware, with the goal of creating a fully open-source implementation.
Copy the firmware file directly to the root directory of the SD card. Do not put it inside any folders.