File format: You are looking for a .bin file. Sometimes it comes in a .zip or .rar archive containing the firmware and a .txt readme.
A firmware update can improve the speed of the FFT (Fast Fourier Transform) function, reduce the lag when adjusting the timebase (sec/div), and optimize the screen refresh rate. Users often report a "snappier" interface post-update. fnirsi-1014d firmware update
If you own a FNIRSI-1014D, you know the drill. It’s the budget oscilloscope that shocked the market: a 10.1-inch IPS display, dual-channel, 100MHz bandwidth, and 1GSa/s sampling—all for under $200. But for the first year, users had a love-hate relationship. The hardware was a steal; the software was… beta. File format: You are looking for a
Then came the firmware updates. Not the usual “bug fixes and stability improvements” nonsense. I’m talking about fundamental personality changes. Users often report a "snappier" interface post-update
I decided to risk bricking my unit to see if the latest update (v1.0.5 as of this review) turns a decent scope into a great one—or just rearranges the deck chairs on the Titanic.
The device was saved from obscurity by the community at the EEVblog Forum.
A user named "feaser" (and later contributors like "painless" and others) reverse-engineered the hardware. They discovered that while the hardware was decent, the firmware was poorly optimized.