Hello, My phone suffers from massive battery drain since 8.4 update. I listen to my own music only and have not signed in to the new streaming service. The battery monitor says "low signal" as one cause for battery drain even when I do not listen to online/streaming music. I assume it also eats up my data plan. How can I force the music app not to be online? I have no need for online services in the music app. Can anyone help?