With Android phones, the android operating system is often adjusted by the manufacturer so that this works well for this particular phone. It turns out that the combination of Low power Bleutooth and Android 7.0 does not always work well, which of course we find very annoying. If it affects you, you really have nothing left but to wait for a software update from your telephone manufacturer. We do not know which phones are going well and which are not. - Works with Android 7.0: Doogee S60 - Does not work with Android 7.0: Motorola MotoG5