How to Update the Firmware on H1E Earbuds

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Last updated: August 31, 2026
Applies to: Heavys H1E earbuds and the HEAVYS App
Estimated time: Varies depending on the update

Quick Answer

Place both H1E earbuds in their charging case, connect them to your phone and the HEAVYS App, and start the available firmware update. Keep the app open and the earbuds connected until the update is complete.

Firmware updates can improve connectivity, audio performance, HellBlocker (ANC), stability, and device compatibility.

Before You Begin

Make sure:

  • You have the latest version of the HEAVYS App.
  • Both earbuds and the charging case have sufficient battery.
  • The H1E is connected to your phone through Bluetooth.
  • The H1E appears as connected in the HEAVYS App.
  • The earbuds are not connected to another device.
  • Your phone remains close to the earbuds.
  • You can keep the app open throughout the update.

Important: Do not close the HEAVYS App, disable Bluetooth, remove the earbuds from the case, or disconnect your phone while the firmware update is installing.

How to Update Your H1E Firmware

  1. Place both H1E earbuds in the charging case.
  2. Open the charging case and keep the earbuds inside.
  3. Enable Bluetooth on your phone.
  4. Confirm that the H1E is connected to your phone.
  5. Open the HEAVYS App.
  6. Confirm that the H1E appears as connected in the app.
  7. Open the firmware update section when an update is available.
  8. Select Update Firmware.
  9. Keep the app open and remain on the update screen.
  10. Keep your phone and charging case close together.
  11. Wait until the app confirms that the update is complete.
  12. Remove the earbuds from the case and test audio playback.

Result: The HEAVYS App should confirm that the latest firmware was installed successfully.

If the Firmware Update Does Not Complete

  1. Make sure the H1E is not connected to another device.
  2. Place both earbuds in the charging case.
  3. Press and hold the case’s pairing button for 15 seconds.
  4. Release the button.
  5. Remove the earbuds from the case.
  6. Reconnect them to your phone and the HEAVYS App.
  7. Place them back in the open charging case if required.
  8. Retry the firmware update.
  9. If the update continues to fail, try another reliable Wi-Fi network or location.

Frequently Asked Questions

Why should I update my H1E firmware?

Firmware updates can provide improvements to connectivity, audio performance, HellBlocker, system stability, app compatibility, and device support.

Should the earbuds remain in the case?

Yes. Open the charging case and keep both earbuds inside while starting and completing the update.

Can I close the HEAVYS App during the update?

No. Keep the app open and remain on the firmware update screen until it confirms completion.

Can the H1E be connected to another device during the update?

No. Disconnect the earbuds from other devices before retrying the update.

What should I do after updating?

Remove the earbuds from the case, reconnect them if necessary, and test normal audio playback and controls.

Still Need Help?

If the update does not complete or problems continue afterward, email support@heavys.com and include:

  • Your phone model and operating-system version
  • Your HEAVYS App version
  • Your current firmware version, if available
  • A screenshot of any error message
  • The point at which the update stops
  • The troubleshooting steps you already tried
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