If a problem has occurred, proceed in the following order until the problem is solved and you can use the earbuds again:
1.Insert the earbuds into the charging case and close the lid. Wait for at least 10 seconds (> Resetting the earbuds).
2.Connect the earbuds to the Smart Control app to install the latest firmware (> Installing the Smart Control app).
3.Check the list of frequently asked questions to see if there is a solution to the problem (> Current list of frequently asked questions (FAQ)).
4.Reset the earbuds to the factory default settings (> Resetting the earbuds to the factory default settings).
5.Contact your Sonova Consumer Hearing partner to solve the problem (> Your question has not been answered or the problem persists?).
Visit the SPORT True Wireless product page at
There you will find a current list of frequently asked questions (FAQ) and suggested solutions.
If a problem occurs that is not listed in the FAQ section or if the problem cannot be solved with the proposed solutions, please contact your Sonova Consumer Hearing partner for assistance.
To find a partner in your country, search at www.sennheiser-hearing.com/service-support.
Wireless calling and streaming are only possible in the Bluetooth transmission range of your smartphone. The transmission range largely depends on environmental conditions such as wall thickness, wall composition etc. With a free line of sight, the transmission range of most smartphones and Bluetooth devices is up to 10 meters.
If you, and therefore the earbuds, leave the Bluetooth transmission range of the smartphone, the sound quality deteriorates increasingly until you hear the voice prompt “No connection” and the connection breaks down completely. If you immediately re-enter the Bluetooth transmission range, the connection is automatically re-established and you hear the voice prompt “Connected”. If this is not the case, tap the touch control panel of the earbud 1x.
If the function of the earbuds is disturbed, perform a reset. Individual settings such as the pairing settings are not deleted.
▷Insert both earbuds into the charging case, close the lid of the charging case and wait at least 10 seconds before taking the earbuds out of the charging case and switching them on again.
If the function of the earbuds is disturbed and a reset (> Resetting the earbuds) does not improve, reset the earbuds to the factory default settings. This deletes, among other things, all pairing settings.
▷You can reset the earbuds to the factory default settings using the Smart Control app.
▷If the Smart Control app is not available, pair the earbuds with each other (> Pairing the earbuds with each other (optional)/restoring the facory default settings).