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Osia® Smart App: Frequently Asked Questions

Osia Smart App is compatible with the Osia 2 Sound Processor.

For an up-to-date list of compatible Android smartphones and OS versions, please refer to

Yes, in most cases. The app is verified on the Android OS available at time of launch. If a newer Android OS version is reported to cause any issues, we will update the page and update the app and resolve the issue as soon as possible.

To minimise the risk of problems with the pairing, connection or app when updating the Android OS, we recommend that you either:

  • log out from the app and uninstall the app prior to updating the OS, or
  • log out from the app, uninstall the app then restart your smartphone after you have updated the OS.

Afterwards, install and open the app, login and pair/ connect the sound processor again by following the onscreen instructions.

Yes, you can pair up to 5 smartphones to your sound processor(s) and have the app installed on all of them. However, you can only connect one smartphone at the time to your sound processor(s).

The connection between your sound processor and smartphone can be lost if the sound processor battery level is low or if the distance between the smartphone and sound processor is too great or blocked.

Make sure the sound processor has sufficient battery and is within range of the smartphone. Make sure Bluetooth is turned on and then restart the app and sound processor. The app should automatically reconnect.

When connection is lost, an option to ‘Start troubleshooting’ will be presented. Tap it to start Guided Troubleshooting to get further assistance.

It is difficult to give an exact distance since this depends on factors such as sound processor battery level, any solid objects in-between, and the environment you are in.

The battery level on your sound processor may be too low to support the connection. Try to replace the battery. The app will reconnect automatically.

When connection is lost, an option to 'Start troubleshooting' will be presented. Tap it to start Guided Troubleshooting to get further assistance.

If you continue to experience problems, you could try to remove the paired sound processor from your smartphone, and then pair it again. See more under "How do I remove a previously paired sound processor?"

You may have lost connection to your sound processor. When connection is re-established you can change program again.

The battery indicator in the app will show the current power level of your sound processor battery as full or low. Low battery strength means that wireless operation is close to interruption and that batteries should be changed soon.

Osia 2 Sound Processor use a zinc-air battery, which provides almost the same level of power until it is nearly empty and then loses power very rapidly. It is therefore difficult for the app to display an accurate battery level until the sound processor provides a battery warning.

No. The app does not significantly impact the consumption of the sound processor battery.

Running the app will take up some of the smartphone battery, similar to other apps. In order to use the ‘Locate device’ functionality of the app, GPS needs to be turned on. To save smartphone battery, you can turn off the GPS on your smartphone.

Yes. If you pair your mobile device with your child’s sound processor you can control and monitor it from a distance, but you need to be within range. This allows you to see battery status, adjust volume and change program without needing to touch the sound processor.