How to update the EAH-A1000 firmware.

1. Open the Technics Audio Connect app.
2. Tap SETTINGS → Update headphones.
3. Follow the on-screen instructions to start the firmware update.
4. Keep the smartphone and headphones close together during the update.
5. Do not operate the headphones or the app while the update is in progress.
6. When the update is complete, go to SETTINGS → Headphone information.
7. Confirm that Firmware is up to date is displayed.

Important: Do not play music or make calls while the firmware update is in progress.