Libon on Twitter: "@steren The app has to sync your contacts when you install it - that's why it consumes a lot of battery. Does it still do it after a week?" /
How One Little Android Update Caused a Big Headache
Android Core Apps Affecting Battery Life (Nexus 5) - How To Solve This Issue - HubPages
Android Core Apps Affecting Battery Life (Nexus 5) - How To Solve This Issue - HubPages
Why is Android system taking all of my battery? - Quora