Originally Posted by rackspace
I am afraid not. What is that, how can I try it?
just download it from the play store, there is power saving mode, under htc modes in the secure settings, but dont think they have updated it to extreme yet, maybe add a request for it, could come in really handy.
HTC One (M8) Stock, S-Off, Rooted / Nexus 4 -Rooted Stock
Previous Devices, HTC One X, HTC DesireHD, and a long list..........