Takes you back one screen.
Takes you to the last Home screen you were on. If you're on a Home screen, it will take you to the main Home screen.
Shows the apps you've recently opened, letting you switch between and close apps that are running.
Plays audio and lets you hear phone calls.
Connects your phone to the battery charger or to another device for transferring data.
Opens Chrome™, the web browser powered by Google™.
Opens a Messaging app for sending and receiving text, picture and video messages.
Opens the keypad and Phone app for placing calls.
Captures your voice when making calls, using voice commands and more.
Opens the Camera app.
Opens the gallery app where you can view your photos.
Lets you adjust the device volume.
Wakes the touchscreen or puts it to sleep when you press it. Turns the device completely off or on when you hold it down.
Used for taking pictures.
Insert or remove your nano SIM / microSD card here.
Used to plug in your headset or headphones.
Used to navigate the touchscreen and create handwritten notes and memos.