Set the "Automatic Power Off" function (power off function when not equipped) of "Sony | Headphones Connect" to "Do not turn off" when updating while the headphones are unequipped.Depending on the radio wave environment and your Android/iOS device, it may take longer to complete.
Sony firmware update 2.0 update#
For iOS devices, the update process will take approximately 30 minutes to complete. For Android devices, the update process will take approximately 30 minutes to complete.Once updated, the firmware cannot be reverted to an earlier version.Disconnect all other Bluetooth devices such as wearable devices or smart watches from your Android/iOS device before starting the update.Make sure both devices (Android/iOS device and the headphones) are fully charged.
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![sony firmware update 2.0 sony firmware update 2.0](https://www.getdroidtips.com/wp-content/uploads/2019/06/Featured-Image-11.jpg)
![sony firmware update 2.0 sony firmware update 2.0](https://www.markgaler.com/wp-content/uploads/2020/04/A9II-Firmware-Update-2.jpg)
Tap the three dots (menu button) in the upper right corner.Connect your headphones to the "Sony | Headphones Connect" application.Launch the "Sony | Headphones Connect" application.If you're not sure, it's easy to check which version of firmware you have: If the firmware is version "2.0.2" or above, you do not need to perform the update.