I’ve added a Bluetooth dongle to my PC (Ubuntu Mate 16.10) and want to get access to two devices with it: a HTC Desire C (phone) and a Samsung Galaxy Tab 2 (tablet).
Both devices are seen by the Bluetooth manager, but while the pairing works fine with the phone, it can’t establish a connection with the tablet. It gets the pairing request and I accept it, but then 30 seconds later or so on the PC, I get a message saying it couldn’t establish a connection.
Are there known pairing issues on Ubuntu Mate with specific devices, or perhaps some Android versions?
I add that both the phone and the tablet can pair the other one from the Android settings.
HI @terzag,
try installing the following packages if not already installed:
sudo apt-get install bluetooth bluetooth-touch
I would restart and try your device again!. 
Just tried but unfortunately, no change.
Not really, it’s just generic information.
I assume that my setup is ok, as my phone can be paired with no problem, the issue happens only with my tablet. I guess it might be an compatibility issue but I haven’t found anything relevant with that model.
Maybe try it with a USB connection?:
The tablet works fine in USB, but the reason I bought a Bluetooth dongle is because I’d like to connect my devices in wireless mode. 
I’ve finally been able to pair it following instructions found there: http://askubuntu.com/questions/761947/ubuntu-mate-16-04-doesnt-ask-for-pairing-code-to-connect-apple-keyboard
If I use bluetoothctl in command line, pairing works. It looks like that when using the GUI tools, the PIN/password is not sent and the pairing fails.
I’m not sure why it works differently with the phone.
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