I have tried with different bluetooth adapter (including the cirago bta7300 adapter) and different keyboards (including the made-for-android toshiba wireless android-optimized, model pa3959u-1etb) and nothing works. All keyboards pair with all adapters but none work as hardware keyboards (e.g. for browser input). It's as if they're not connected (even when they're paired). To test for problems, I downloaded and installed the BlueInput.apk from http://www.teksoftco.com (version 2.2.225). This gave me a little more info: it paired properly as before but then said that the device (meaning UDOO) did not support HID (human interface device profile) but could support SPP (Serial Port Profile) but it's not clear why (A) HID would not be supported since it's the basic means to connect all keyboards [is it turned off in UDOO/Android? is there a driver to load for it?] or (B) How to turn SPP on (nothing in settings that I could find). So, going back to a previous question, what are we missing/doing wrong that we're not able to connect basic keyboards (which connect easily to other computers (mac, windows, iphone). Is bluetooth supported on udoo or not?