come from community developers like and Atlan . Their custom firmware essentially "unlocks" the device's potential by replacing the factory signal processing with open-source alternatives.
: Once the copy is complete, the device should automatically begin the upgrade process. Do not power off until it restarts. Alternative (Community) Firmware
If no HW version is printed, contact Fnirsi support with your serial number. Fnirsi-1013d Firmware Update
⚠️ Avoid third-party forums unless file hashes match official releases.
After any major update, performing a full calibration (without probes or USB connected) is highly recommended to ensure signal accuracy. come from community developers like and Atlan
If you encounter a "Target not found" error, don't panic. Double-check your SWD wiring, ensure the 1013D is powered on, and try lowering the ST-Link frequency to 1.8MHz. With the correct .hex file, you will resurrect a slow, buggy scope into a snappy, accurate instrument.
The Fnirsi 1013D is a portable, dual-channel digital oscilloscope with a built-in signal generator. Periodic firmware updates from Fnirsi improve measurement accuracy, fix UI bugs, add features (e.g., better FFT, trigger stability), and enhance battery management. Do not power off until it restarts
Before jumping into the technical steps, let’s look at why you should perform this update immediately.