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Parts and Functions

This topic illustrates your phone’s primary parts and key functions.

Note: Your phone's screens and apps layouts are subject to change. This user guide uses sample images only.

Phone Layout

The following illustration outlines your phone’s primary external features and keys.

illustration of front with callouts illustration of back with callouts




Transmits your voice for phone calls or records your voice or ambient sounds for voice recordings and videos. The microphone on the top of the phone is useful for canceling ambient noise during a phone call.


Lets you hear the caller and automated prompts.

nano-SIM/SD card tray

Hold the nano-SIM card and SD card.


Displays all the information needed to operate your phone, such as the call status, the Contacts list, and the date and time. Also provides one-tap access to all of your features and applications.

Back key back key

Lets you return to the previous screen, or close a dialog box, options menu, the notification panel, or onscreen keyboard.

USB charger/accessory port

Allows you to connect the phone charger or the USB cable (included).

Recent Apps key back key

Displays a list of recently used applications or access the Split Screen feature.

Home key home key

Returns you to the home screen. It can also light up as a notification.

Power/Lock key

Lets you turn the phone on or off, turn airplane mode on or off, turn the screen on or off, or restart the phone.

Volume Up key / Volume Down key

Allow you to adjust the ringtone or media volume or adjust the voice volume during a call.

Front camera lens

Takes pictures and records videos while facing the screen, and allows you to video conference.

Ambient light and proximity sensor

Detects how close an object is to the surface of the screen. This is typically used to detect when your face is pressed up against the screen, such as during a phone call.

While talking on the phone, the sensor detects talk activity and locks the keypad to prevent accidental keypresses.


Helps illuminate subjects in low-light environments when the camera is focusing and capturing a picture or video. You can also use it as a flashlight.


Lets you hear the different ringtones and sounds. The speaker also lets you hear the caller’s voice in speakerphone mode.

Fingerprint sensor

Lets you unlock the phone, open apps, take photos, or answer calls by a simple touch.

Back camera lens

Lets you take pictures and videos.

3.5 mm headset jack

Allows you to plug in either a stereo headset or an optional headset for convenient, hands-free conversations.

CAUTION! Inserting an accessory into the incorrect jack may damage the phone.