Last updated: August 31, 2026
Applies to: Heavys H1H headphones and the HEAVYS App
Estimated time: Varies depending on the update
Quick Answer
Connect your H1H headphones to your phone through Bluetooth, open the HEAVYS App, and select Update Firmware when an update is available. Keep the headphones connected and the app open 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.
- Your H1H headphones have sufficient battery.
- Your headphones are connected to your phone through Bluetooth.
- Your headphones remain close to your phone.
- You can keep the app open throughout the update.
Important: Do not turn off your headphones, disable Bluetooth, or close the HEAVYS App while the firmware update is installing.
How to Update Your H1H Firmware
- Turn on your H1H headphones.
- Connect the headphones to your phone through Bluetooth.
- Open the HEAVYS App.
- Confirm that your H1H appears as connected.
- Open the firmware update section when an update is available.
- Select Update Firmware.
- Keep the app open and remain on the update screen.
- Keep your phone and headphones close together.
- Wait until the app confirms that the update is complete.
- Restart your H1H if prompted.
- Reconnect the headphones and test audio playback.
Result: The HEAVYS App should confirm that the update has been completed successfully.
If the Firmware Update Does Not Complete
- Confirm that your H1H headphones are still powered on.
- Make sure Bluetooth remains enabled on your phone.
- Keep the headphones close to your phone.
- Confirm that the HEAVYS App remains open.
- Check that your headphones have sufficient battery.
- Reconnect your H1H and try the update again.
Frequently Asked Questions
Why should I update my H1H firmware?
Firmware updates can provide improvements to connectivity, audio performance, HellBlocker (ANC), system stability, and compatibility with other devices.
Can I use my headphones during the update?
Wait until the HEAVYS App confirms that the update is complete before using or restarting your headphones.
Can I close the HEAVYS App during the update?
No. Keep the app open and remain on the firmware update screen until the process is complete.
What should I do after updating?
Restart your H1H if prompted, reconnect it to your device, and test normal audio playback.
Still Need Help?
If the update does not complete or you continue experiencing problems afterward, email support@heavys.com. Include:
- Your phone model and operating system
- Your HEAVYS App version
- Your current firmware version, if available
- A screenshot of any error message
- The troubleshooting steps you have already tried