HTC ONE User Manual page 21

● Recent Apps Key lets you select and return to recently opened apps. Press and hold to
open available menu options for certain screens and apps.
● Charger/Accessory Jack allows you to connect the phone charger or the USB cable
(included).
CAUTION! Inserting an accessory into the incorrect jack may damage the phone.
● Microphone allows other callers to hear you clearly when you are speaking to them.
● Back Key lets you return to the previous screen, or close a dialog box, options menu,
the Notifications panel, or onscreen keyboard.
● Earpiece lets you hear the caller and automated prompts.
● 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.
Back panel
● Camera Lens lets you take pictures and videos.
● Back Cover covers the battery compartment and microSD® card slot.
Phone Basics 9