Plz, give us a possibility to unlock phone with just touching fingerprint reader, but not pressing the button. I know that this feature can drain battery. But maybe developers can give us a possibility to decide. I would gladly trade 0.5 hour of SOT for this feature, because it is really useful and important. It is faster, won't kill power button in future. You can make a switch to activate fingerprint reader unlock and set it "off" by default. Or hide this feature in Developer mode.