I would like to help you guys, unfortunately, I do not have a Jolla phone didn't had the money for the pre order, now I can't find one, I tried sailfish on a N4, the problem is that I can't make a phone call, so I can't really test, maybe even the proximity sensor doesn't work there, if one of you wants to test for me maybe I can know how to, if possible, turn speaker on/off, let me know