Q: Which version of OS/iOS is compatible?
A: The latest version of the OS/iOS is recommended for compatibility. Check the application page for information on the latest version of the OS/iOS.
For Android OS: FES Closet
For Apple iOS: FES Closet
NOTE: For supported mobile devices please check the link below.
Q: Is it necessary to activate the location information services on the smartphone?
A: For Android 6.0 or later, you need to activate the location information services in order to detect devices via the Bluetooth function.
NOTE: For iOS, the app does not require the location information services to be activated.
Q: The content is not displayed properly on the supported Android device.
A: If you are using Android 5 or 6, make sure that the Android System WebView app is the latest version. If you are using Android 7 or later, make sure that the Chrome browser is the latest version.