Owner's Manual

Using the Device 23
User Guide
The Open APP Service enables the user to install specific
APK music streaming apps to the device. Copy the desired
APK into the Open Service folder of the product and install
the relevant App in the [Menu-Service] of the product.
For more information and full instructions on how to install
music streaming services, please visit the Astell&Kern
website [http://www.astellnkern.com > Support > FAQ >
Using Open APP Service].
Using
Open APP
Service
The source of the app you are trying to install is unknown. Be aware that
if the app is installed, the device may be damaged and personal data
compromised. Depending on the APP, some functions may not work.
If you install an app from an unknown source, despite this warning, the
company is not responsible for any damages to the device and data
resulting from the app’s installation, and downloading and installing
such apps may limit the scope of after-sales services provided under the
manufacturer warranty.