Spark MINI Firmware Troubleshooting

Before the Update

Computer Doesn't Detect Spark MINI

Problem: My computer does not detect Spark MINI when connected via USB.

Solution:

• Try a different USB port directly on the computer (not a USB hub).
• Try a different USB cable (use the one that came with Spark MINI if possible).
• Mac users: Try resetting PRAM/NVRAM.

During the Update

Windows 11: Updater Not Responding

Problem: The firmware updater freezes or shows "Not Responding" on Windows 11.

Solution:

1. Close the updater completely.
2. Right-click the updater .exe or .bat file → select "Run as administrator".
3. Close all MIDI and audio applications (DAWs, media players, virtual instruments). The updater needs exclusive access to the MIDI port.
4. Check log for Found MIDI OUT device: Microsoft GS Wavetable Synth — wrong MIDI device detected. Close all MIDI software and retry.
5. Try a different USB port directly on the computer (not a hub).
6. If still freezing, try the update on a different computer.

Error Code Reference

Error 2

Cause: Incorrect update sequence.

Solution: Connect Spark MINI to the computer and launch the updater first , then power on the Spark MINI.

Error 10

Cause: User canceled the update.

Solution: Run the updater again and do not cancel.

Error 11

Cause: Python 2 installation timed out.

Solution: Reboot and try again. If it persists, install Python 2.7.18 manually (see below).

Error 13 / 14

Cause: Python 2 installation failed.

Solution: Reboot and try again. If it persists, install Python 2.7.18 manually (see below).

Error 15

Cause: Firmware install timed out.

Solution: Disconnect USB, force shutdown (hold Power for 10 seconds), then reboot and try again.

Why Does the Updater Need Python 2?

The Spark MINI's Bluetooth module uses Python 2 scripts to communicate during the firmware update. The updater will attempt to install Python 2.7.18 automatically, but this can fail on some systems.

If you see Error 11, 13, or 14 , install Python 2 manually:

1. Download Python 2.7.18 from the official Python website.
2. Run the installer with default settings.
3. Restart the firmware updater.

Python 2 is only needed for the firmware update. You can uninstall it after the update is complete.

Bluetooth Update Interrupted (5%–37%)

Problem: The update was interrupted during the Bluetooth module phase (between 5% and 37%).

Solution:

1. Do not immediately reconnect the USB cable.
2. Wait 1–2 minutes until Spark MINI shuts down on its own.
3. Restart Spark MINI, reconnect USB, and try the updater again.

Device Unresponsive

Problem: Spark MINI becomes unresponsive during or after a firmware update.

Solution: Perform a force shutdown:

1. Unplug the USB cable from Spark MINI.
2. Press and hold the POWER button for over 10 seconds until the unit shuts down.
3. Release the button, then press and hold again until the Power LED lights up blue.

After the Update

Bluetooth Won't Connect

Problem: Bluetooth stops working after a successful firmware update.

Solution:

1. Go to Bluetooth settings on your phone/tablet.
2. Find "Spark MINI Audio" and tap Forget/Unpair.
3. Open the Spark app and connect to Tone Control first, then connect Spark MINI Audio in Bluetooth settings.

No Sound

Problem: Spark MINI is powered on but producing no sound after firmware update.

Solution:

Check volume and output:

• Turn up Guitar Volume and Music Volume knobs on top panel.
• Unplug any cable from Headphone/Line Out jack (speaker mutes when a plug is inserted).
• Check your guitar's volume knob.

Temperature warning: If status LEDs blink red rapidly, turn off Spark MINI, move to cooler location, wait 15-20 minutes.

No guitar sound only: Try different cable → Try different guitar → Check battery (active pickups).

No music playback only: Priority is AUX In > Bluetooth Audio > USB Audio. Unplug AUX cable if you want Bluetooth/USB audio.

Force restart: Unplug USB, hold POWER 10+ seconds until shutdown, then restart.

Factory reset: If issue persists, perform factory reset (back up presets first).

For detailed troubleshooting, see No Sound Troubleshooting for Spark MINI.

Alternative Firmware Updater

If the standard updater keeps failing, you can request an alternative updater:

1. Locate the chatbot in the bottom right corner of this page.
2. Enter the serial number of your Spark MINI (found on the rear of the unit, near the USB port — format: S1012G1xxxxxxxx, 15 digits without spaces).
3. The chatbot will provide a download link for the alternative firmware updater.

System Requirements: macOS 10.13 or later / Windows 8 or later. The updater does not support Linux, ChromeOS, iOS, iPadOS, or Android.

Mac Instructions (Alternative Updater)

1. Unzip the downloaded file.
2. Turn on and connect your Spark MINI to a computer using a USB cable.
3. Enter Firmware Update Mode: Press and hold the Pair and Power buttons on the back panel together until all preset LEDs start to blink.
4. Right-click SparkMINI_FWUpdater_with_log.app and select "Open" to start it. A Terminal window will open.
5. Wait until the Terminal window displays "Firmware upgraded!" and the Spark MINI powers off automatically.
6. Disconnect Spark MINI, power it on, and check the firmware version in the Spark app (product card → scroll to bottom).
7. If unsuccessful: Export the Terminal log via Shell → Export Text As… and send it to support.

Windows Instructions (Alternative Updater)

1. Unzip the downloaded file.
2. Turn on and connect your Spark MINI to a computer using a USB cable.
3. Enter Firmware Update Mode: Press and hold the Pair and Power buttons on the back panel together until all preset LEDs start to blink.
4. Right-click Run_Updater_With_Log.bat and select "Run as administrator" .
5. Wait until Spark MINI reboots automatically. The LED lights will return to normal.
6. Disconnect Spark MINI, power it on, and check the firmware version in the Spark app.
7. If unsuccessful: Send the log.txt file from the updater's folder to support.

If you have tried all the steps above and the firmware update still fails, please contact Positive Grid Support and attach the log file from the updater.

See Also

• Spark MINI Firmware Update (Tutorial Video)
• Spark MINI Firmware Release Notes
• No Sound Troubleshooting for Spark MINI
• Factory Reset for Spark MINI
• How to Fix Spark MINI USB Audio Input Issue on macOS 26