If you have trouble navigating the official site, many users mirror the files. Below is a commonly used source link structure found in the community:
These firmware files are typically distributed via electronics forums (such as the EEVblog forum) and file-sharing platforms. They are generally not supported or endorsed by FNIRSI. fnirsi 1014d firmware link
Before downloading anything, confirm your existing firmware to avoid unnecessary updates: If you have trouble navigating the official site,
FNIRSI hosts firmware and tools on their dedicated forum. Go to: Turn off the 1014D and connect it to
It looks like you're looking for the firmware for the oscilloscope. This is a popular, budget-friendly 2-in-1 scope + signal generator, but finding official firmware can be tricky because FNIRSI doesn't always keep it prominently on their main site.
Turn off the 1014D and connect it to a PC using a USB data cable. Enter Update Mode:
If you own the FNIRSI 1014D (the popular 2-in-1 tablet oscilloscope and signal generator), you might eventually run into a bug, a boot loop, or simply want the latest features. But when you search for the firmware, you hit a wall.