Front View

Proximity Sensor Senses proximity toward other objects (such as your head) so that tap commands are not accidentally activated (during a call or when carried inside a pocket.

It also employs an ambient sensor which measures the surrounding light and adjusts the LCD brightness to provide a vivid screen.

Notification LED Flashes to alert you for notifications (e.g., incoming call, new text message, screen unlock, etc.).

Front Camera Use to take pictures and record videos of yourself. You can also use this for video chatting. Keep it clean for optimal performance.

QuickTap Bar Provides icons for quick, one-touch access to the Applications screen and the apps you use most often.

Back Key Tap this Touch Key (in the Touch Keys bar) to return to the previous screen or close pop-up items (such as menus, dialog boxes, and the on-screen keyboard). Touch and hold it to access the Dual window function which allows you to use two apps at the same time.

Home Key Tap this Touch Key (in the Touch Keys bar) to return to the Home screen (or your default Home screen panel from any of the Home screen extension panels). Touch and hold it to access Google Now.

Recent Apps Key Tap this Touch Key (in the Touch Keys bar) to display recently used apps. Touch and hold this key to open an Options menu with options that affect the current screen or app. This only applies when available, depending on the screen or app.

Home Screen Displays all of the items needed to operate your phone including icons for app access, widgets, and the Status Bar (with status icons) allowing simple touch access to all of its functions and features.

Earpiece Lets you hear callers and automated prompts.