HTC One M9 - Manual (Page 17)

Get Started 4
Part Description
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
turns off the screen to prevent accidental key taps.
Front Camera Takes pictures and records videos while facing the screen, and
allows you to video conference.
Volume Buttons Allows you to adjust the ringtone or media volume or adjust the
voice volume during a call.
Power/Lock Button Press quickly to turn off and lock the phone screen. Press and hold
to turn the phone on or off or switch to Kid Mode or airplane mode.
microSD Card Tray with
Eject Hole Allows installation of a microSD card for additional storage. The
microSD card is sold separately. See
SD Card .
3.5 mm Headset Jack Allows you to plug in either a stereo headset or an optional headset
for convenient, hands-free conversations.
Charger/Accessory Jack Allows you to connect the phone charger or the USB cable
(included).
Speaker Lets you hear the caller and automated prompts.
Touchscreen 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.
Nano SIM Card Tray with
Eject Hole Holds the preinstalled Sprint 4G LTE™ nano SIM card. See SIM
Card .
LED Displays a phone notification, charging status, or alert.
Speaker Lets you hear the different ringtones and sounds. This speaker
also lets you hear the caller’s voice and automated prompts.
CAUTION! Inserting an accessory into the incorrect jack may damage the phone.