[Q] Wifi 4.2 Bluetooth problem

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http://forum.xda-developers.com – Hi, in our warehouse I use the Galaxy Wifi 4.0 with a Motorola RS507 bluetoothscanner for orderpicking. I have 10 of them all working without any problem. Now I needed 10 more, but the 4.0 is replaced by the 4.2. So I bought them instead. But I cannot get the scanners working with this device. If I want to connect the scanner I get the message: Confirm passkey is xxxxxx to pair with RS507 1234 I can press "Accept" or "Decline" When I press "Accept", it says "paired" but I cannot use the device.Also the device give no confirmation sound tha (HowTos)