Device connection via Smart Switch Mobile is sometimes disconnected

Last Update date : 2014.10.02

Q: When I try to connect between old device and new Galaxy S5 to transfer data through Smart Switch Mobile, connection is sometimes lost and data transmission fails. What should I do?


A : Smart Switch Mobile lets you instantly transfer personal data between older and newer Galaxy devices with ease.

Generally for connection to be successful, place the devices close together (approx 20cm apart), open the application in both devices and tap the Connect button on only one of the devices.
But, because Smart Switch Mobile uses high frequency audio to establish a connection between devices, you should keep in mind the points below:
For connection between the devices, the Wi-Fi Mac address is transferred using High Frequency Audio via the speaker of old device to microphone of new device.

As a result, if speaker of old device is covered or blocked by your hand or an object the audio signal required for connection purposes may be affected and connection is lost.
Thus, especially if *speaker of your old device is on the “rear” or “back” side of device, please ensure the speaker is not covered or - and face the old device’s speaker towards the new devices microphone (e.g. Galaxy S5) for connection.



If you are still having difficulty or are unable to connect between devices or often disconnected via Smart Switch Mobile,
please see further advice below:

1. Try to transfer / use SMART SWITCH for Mobile in a quiet area away from noise.
2. Tap Transfer button only on the old device.

You may not be able to connect if the application is not open or the button is not tapped on one of the devices, or if a pair of earphones or a Bluetooth headset is connected to the device.

If you are looking to switch from a non-Samsung device to a supported Samsung device, please use the
“Smart Switch PC” - PC software tool. For more information, please visit

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