Fnirsi Dso-tc2 Firmware – Deluxe

To accept new firmware, the DSO-TC2 must be forced into update mode: Turn the device completely off.

This process takes about 30 to 60 seconds. Do not touch the device.

: Fixes for waveform capture "freezing" or incorrect readings. fnirsi dso-tc2 firmware

The upgrade process for the DSO-TC2 uses a virtual U-Disk mechanism, making it straightforward. Part 1: Upgrading the Oscilloscope Firmware (CH) Turn off your DSO-TC2.

As of 2025–2026, Fnirsi has released only a handful of firmware updates for the DSO-TC2. These updates fixed minor bugs (e.g., screen calibration, battery readout) but added no new features. The company appears to have moved on to newer models like the DSO-TC3 and DSO-TC4, which share similar firmware but with minor tweaks. To accept new firmware, the DSO-TC2 must be

Since the stock device has to restart to switch between Scope mode and Tester mode, developers have been trying to write a unified RTOS (Real-Time Operating System) firmware. Imagine a firmware where you can press a button and instantly switch from looking at a PWM signal to testing a diode, without the 3-second boot-up delay.

Extract the downloaded file. It will typically contain a .bin or .hex firmware file. Enter Update Mode: Turn off the device. : Fixes for waveform capture "freezing" or incorrect

Have you successfully updated your DSO-TC2? Share your version number and experience in the comments below. For urgent brick recovery, visit the EEVblog forum thread #FNIRSI-DSO-TC2.

Click "Browse" or "Open File" and select the downloaded .bin / .hex firmware file. Step 4: Flash the Device Click or Download .

will appear on the computer, and the screen will show "MM Boot" in the corner. File Transfer : Copy the firmware file (prefixed with ) into the drive.

A: No. There is no Wi-Fi or Bluetooth module. You must use the physical microSD card method.