- Proximity Sensor - Senses proximity toward other objects (such as your head) so that tap commands are not accidentally activated during a call. It also employs an ambient sensor which measures the surrounding light and adjusts the LCD brightness to provide a vivid screen.
- Notification Light - Blinks to let you know of missed calls, messages, and emails.
- Quick Keys - Gives you quick access to your most used applications. To add an application icon, drag and drop it in the bar. To remove an icon, touch and hold it to unlock it from its location, then remove it from the bar.
- Back Key - Returns to the previous screen. Also closes pop-up items, such as menus, dialog boxes, and the on-screen keyboard.
- Home Key - Returns to the Home screen. If you're already viewing one of the Home screen extension canvases, it navigates you to the central Home screen canvas. Touch and hold to access Google Now.
- Recent Apps Key - Opens the list of recently used applications.
- Menu Key - Opens 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 information needed to operate your phone, such as applications, call status, date, time, signal status, and battery strength.
- Front Camera Lens - Use to take pictures and record videos of yourself. You can also use this for video chatting. Keep it clean for optimal performance.
- Earpiece - Lets you hear callers and automated prompts.
- LED Flash - Brightens up the captured image or recorded video when you turn on the flash.
- Speaker - Sound comes from the rear speaker instead of the earpiece (e.g., the speakerphone function, music player function, etc.).
- Back Cover - Encloses the battery compartment.
- Rear Camera Lens - Use to take photos and record videos. Keep it clean for optimal performance.
- Power/Lock Key - Press to lock/unlock the screen. Press and hold to turn the phone on/off, restart it, activate/deactivate airplane mode, and change the sound settings.
- Volume Keys - Allow you to adjust the ringer, the media volumes, or the in-call volume during a call.
- 3.5mm Headset Jack - Allows you to plug in an optional headset for convenient, hands-free conversations. You can also plug in headphones to listen to music.
- USB/Charger Port - Allows you to connect the phone and the USB Cable for use with the charger adapter, or other compatible accessories.
- Microphone -Transmits your voice to the other caller and is used for voice-activated functions.
