We are eagerly anticipating Wednesday's launch of the LG G2, which should finally start a new debate on the aging ergonomics of Android handsets' navigation and side buttons, that have been conceived for much smaller handsets than the giants we have now. Newly leaked schematics show indeed that the three buttons on the back underneath the camera area are volume and power/lock keys. If LG had thrown in a back button somewhere handier than all the way down on a huge display, we'd be completely sold...
Source: http://www.phonearena.com/news/LG-G2-manual-leaks-lock-key-on-the-back-nano-SIM-and-microSD-slots-removable-battery_id46072
Source: http://www.phonearena.com/news/LG-G2-manual-leaks-lock-key-on-the-back-nano-SIM-and-microSD-slots-removable-battery_id46072