Spark 2 Firmware Troubleshooting

If you encounter any of these problems after a firmware update, follow the steps below to get an alternative updater:

    • Update Failure: The update didn't finish successfully.
    • Device Problem: The Spark is unresponsive or 'bricked.'

Q: After the firmware update, my Spark 2 powers on but is unresponsive.
A: Please perform a factory reset.
Q: My computer does not detect Spark 2.
A: Please attempt to connect to a different USB port directly on the rear of your computer and refrain from using a USB hub.
For Mac users, please try resetting PRAM/NVRAM:
How to Reset PRAM or NVRAM
Q: Spark 2 cannot be connected via Bluetooth after the firmware update.
A: Navigate to your device's Bluetooth settings, unpair or forget the previous connection with Spark 2 Audio, and then open the Spark app to connect Tone Control before connecting Spark 2 Audio.
Q: The firmware update failed, and now I can't anymore power on the Spark 2.
A: If the power is interrupted during the MCU update process, the Spark 2 may fail to power on. Please follow these steps to resolve the issue:
1. Perform a Factory Reset: If Spark 2 still doesn't respond, proceed with the steps below. 
2. Disconnect USB: Unplug the USB cable to disconnect the Spark 2 from your computer.
3. Disconnect Power: Unplug the Spark 2 from the power outlet.
4. Download Alternative Firmware Updater: macOSWindows
5. Unzip and Launch Updater:

For macOS users:

Unzip the updater file, then right-click and select 'Open' to launch it.


For Windows users:

Do either of the following

  • Double-click on Spark 2 Firmware Updater.bat to start the updater.

  • Right-click on Spark 2 Firmware Updater.bat and select "Run as administrator" to start the updater.

If you are unable to launch the firmware updater, please refer to the guide on "Open a Mac app from an unknown developer" or "Run a BAT File on Windows".
Rest assured, this updater is specifically designed to update your Spark amp. It is completely safe, clean, and free from viruses.

6. Connect the Spark 2 to your computer via the USB cable, then follow the instructions within the alternative updater to complete the process.
If the Spark 2 doesn’t power on and shows a blinking red light on the power button when holding both the power and pair buttons, try this instead: unplug the power supply, hold down the pair button, then plug the power supply back in while continuing to hold the pair button.
Spark 2 - Alt MCU.gif
7. If the update is unsuccessful, send us the spark_2_updater.log file from the following folder:
  • macOS: 
    /Documents/PositiveGrid

  • Windows: 
    \Documents\PositiveGrid

Was this article helpful?
12 out of 94 found this helpful
Need More Help? Contact Us