Care and maintenance
28 | HD 458BT
Installing firmware updates
Firmware updates can be downloaded free of charge from the Inter-
net using the Sennheiser Smart Control app. Sennheiser recom-
mends to always install the latest firmware version to ensure the
best performance of your product.
▷
Connect the headphones to your smartphone and start the Smart
Control app (> 15).
▷
The app provides information on available firmware updates and
guides you through the installation process.
Need help?
Do you have a question about the HD 458BT and is the answer not in the manual?