Modified firmware can unlock features like alternative color themes, extended frequency counters, or customized calibration routines.
(or the designated key mentioned in your version's readme) while connecting it to your PC via USB-C.
after the device boots up automatically or after pressing the power button once (depending on the specific hardware revision). Mount the Drive : Your computer should recognize a new removable disk named . If it does not appear, disconnect and repeat the steps. Transfer Firmware Download the official firmware from the FNIRSI Software Downloads fnirsi dsotc2 firmware
Note: Community firmware voids your warranty. Always ensure you have a way to roll back to the stock firmware before attempting a custom installation. Troubleshooting Common Firmware Issues 1. The PC Does Not Recognize the DSO-TC2
Connect the DSO-TC2 to your computer using the USB cable while the device is still powered off. Wait approximately Modified firmware can unlock features like alternative color
The ‘Else’ channel then displayed a hex dump: 46 4E 49 52 53 49 5F 44 53 4F 54 43 32 5F 55 4E 4C 4F 43 4B .
Restart the flash process from step 1. If the update was interrupted, the device may require a "hard" refresh. Mount the Drive : Your computer should recognize
Download the latest version from the official FNIRSI website . Step-by-Step Firmware Update Guide (2026)
Before initiating the firmware upgrade, ensure you have the following:
The internal calibration data was wiped during the firmware overwrite.
Download the exact firmware file tailored for the DSO-TC2 (usually a .bin or .hex file) from the official FNIRSI website or verified community repositories.