AT&T Radiant User manual

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AT&T U304AA
User Guide
Available applications and services are subject to change at any time.

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Table of Contents
Getting started ....................................................................................................................................6
Introduction......................................................................................................................................7
About the user guide....................................................................................................................7
Set up your phone ............................................................................................................................8
Parts and functions ......................................................................................................................8
Battery use ...................................................................................................................................1
SIMCardandmicroSDCard....................................................................................................4
Turn your phone on and off..........................................................................................................5
Use the touchscreen.....................................................................................................................6
Complete the setup screens .........................................................................................................7
Basic operations...............................................................................................................................8
Home screen and applications (Apps) list....................................................................................8
Phone settings menu....................................................................................................................9
Portrait and landscape screen orientation.................................................................................10
Capture screenshots...................................................................................................................10
Applications................................................................................................................................11
Phone number............................................................................................................................16
Airplane mode............................................................................................................................16
Google Account ..........................................................................................................................17
Lock and unlock your screen ......................................................................................................19
Your phone’s home screen .............................................................................................................20
Home screen basics....................................................................................................................20
Status bar and notification panel...............................................................................................22
Customize the home screen .......................................................................................................26
Making connections ..........................................................................................................................29
Phone .............................................................................................................................................30
Making a call..............................................................................................................................30
Receiving a call...........................................................................................................................30
Contacts..........................................................................................................................................33
Add a contact .............................................................................................................................33
Messages........................................................................................................................................35
Text and multimedia messages..................................................................................................35
Gmail..........................................................................................................................................37
Internet and social networking ......................................................................................................41
Connectivity....................................................................................................................................41

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Transfer files between your phone and a computer ..................................................................41
Wi-Fi ...........................................................................................................................................43
Bluetooth....................................................................................................................................44
Apps and entertainment ...................................................................................................................50
Camera and video ..........................................................................................................................51
Camera overview .......................................................................................................................51
Take pictures and record videos.................................................................................................52
View pictures and video using Photos........................................................................................53
Camera settings .........................................................................................................................54
Productivity ....................................................................................................................................55
Calendar .....................................................................................................................................55
Navigation apps .........................................................................................................................57
Google Search ............................................................................................................................59
Calculator ...................................................................................................................................59
Clock ...........................................................................................................................................61
Entertainment and activities..........................................................................................................68
Google Play Music app...............................................................................................................68
YouTube ......................................................................................................................................70
Settings ..............................................................................................................................................72
Basic settings..................................................................................................................................73
Network & Internet ........................................................................................................................74
Wi-Fi ...........................................................................................................................................74
Mobile network..........................................................................................................................77
Data usage .................................................................................................................................77
Hotspot & tethering ...................................................................................................................78
Airplane mode............................................................................................................................79
VPN (Virtual Private Networks)..................................................................................................79
Private DNS ................................................................................................................................80
Connected devices..........................................................................................................................80
USB .............................................................................................................................................80
Connection preferences..............................................................................................................82
Apps & notifications.......................................................................................................................85
Recently opened apps ................................................................................................................85
Notifications...............................................................................................................................85
Default apps...............................................................................................................................86
App permissions .........................................................................................................................86

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Special app access......................................................................................................................86
Battery............................................................................................................................................87
Display............................................................................................................................................88
Sound..............................................................................................................................................89
Storage ...........................................................................................................................................90
Security & location .........................................................................................................................91
Security status ............................................................................................................................91
Device security............................................................................................................................92
Privacy........................................................................................................................................93
Device admin apps .....................................................................................................................94
Encryption & credentials ............................................................................................................94
Trust agents................................................................................................................................95
Screen pinning............................................................................................................................95
Accounts.........................................................................................................................................95
Add account ...............................................................................................................................95
Automatically sync data.............................................................................................................95
Accessibility ....................................................................................................................................95
Volume key shortcut...................................................................................................................96
Downloaded services..................................................................................................................96
Screen readers............................................................................................................................96
Display........................................................................................................................................97
Interaction controls ....................................................................................................................98
Audio & on-screen text...............................................................................................................99
Experimental options ...............................................................................................................100
Google ..........................................................................................................................................100
System ..........................................................................................................................................100
Languages & input ...................................................................................................................100
Gestures ...................................................................................................................................101
Date & time..............................................................................................................................102
Backup......................................................................................................................................102
Reset options............................................................................................................................103
About phone.............................................................................................................................103
Software Update ..........................................................................................................................104
Getting help .....................................................................................................................................105
For assistance...............................................................................................................................106
Troubleshooting .......................................................................................................................106

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Specifications ...........................................................................................................................107
Customer Service information..................................................................................................108
Copyright information..............................................................................................................108
Safety and use .................................................................................................................................109
Please read before proceeding.....................................................................................................110
Important health information and safety precautions ................................................................110
Electrical safety ........................................................................................................................110
Safety precautions for proper grounding installation..............................................................110
Safety precautions for power supply unit ................................................................................110
FCC Regulations............................................................................................................................116
RF Exposure Information (SAR) ................................................................................................117
Hearing Aid Compatibility (HAC) for Wireless Telecommunication Devices ............................118

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Getting started
The topics in this section will introduce you to your phone, help you get set up with service, pro-
vide an overview of the phone screen, and get you started with basic phone operations.

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Introduction
The following topics describe the basics of using this guide and your new phone.
About the user guide
Thank you for purchasing your new AT&T RADIANT Core. The following topics explain how best
to use this guide to get the most out of your phone.
Before using your phone
Read the Quick Start Guide that is located on your phone within Settings thoroughly for proper us-
age.
Accessible services may be limited by subscription contract conditions.
Descriptions in the user guide
Note that most descriptions in this guide are based on your phone's setup at the time of purchase.
Unless otherwise noted, instructions begin from the phone's home screen, which is displayed by
pressing Home button . Some operation descriptions may be simplified.
Screenshots and key labels
Screenshots and other illustrations in this user guide may appear differently on your phone. Key
labels in the user guide are simplified for description purposes and differ from your phone's dis-
play.
Other notations
In the user guide, the phone may be referred to either as "phone," "device," or "handset." A mi-
croSD™ or microSDXC™ card is referred to as an "SD card" or a "memory card."

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Set up your phone
The following topics give you all the information you need to set up your phone and wireless ser-
vice the first time.
Parts and functions
These topics illustrate 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
Proximity sensor
Headset Jack
Front camera
Charger/Accessory jack
Microphone
Receiver
Touch screen
Power key
Volume key
LED indicator

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Part
Description
Front camera
Take pictures and record videos while facing the screen and al-
low you to video conference.
Receiver
Hear the caller and automated prompts.
Touchscreen
Display 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.
Power key
Press to turn the screen on or off.
Press and hold to switch the phone on or off, to restart it, or to
take a screenshot on the current screen.
Charger/Accessory jack
Connect the USB cable (included) for charging or connect other
accessories.
Volume keys
Adjust the volume for ringtones, media, notifications, and sys-
tem sounds.
Headset jack
Plug in either an optional stereo headset or an optional headset
for convenient, hands-free conversations.
Microphone
Used for transmitting your voice electronically for a call, voice
recording, or video recording.
Proximity sensor
To detect the objects is nearby without any physical
contact.
It helps to dime the screen and save battery during a call.
LED
Pulse green light: new notification;
Solid green light: charging and battery percentage >=98%;
Pulse red light: charging and battery percentage<15%;
Solid red light: Charging battery percentage<98%
(note: new notifications has priority over charging light.)
CAUTION! Inserting an accessory into the incorrect jack may damage the phone.
Battery use
The following topics explain how to insert and remove your phone’s battery.
Battery cautions
Storage: Avoid storing or leaving battery with no charge remaining. Saved information and
settings may become lost or changed, or battery may become unusable. Charge once every
six months before storing or leaving unused for a long period.
Bulges: Depending on use, bulges may appear near end of battery life. This does not affect
safety.

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Replacing battery: The battery is a consumable item. It needs to be replaced if operating
time shortens noticeably. Purchase a new battery.
Cleaning: Clean soiled terminals between battery and phone with a clean, dry cotton swab.
Soiled terminals can result in a poor connection and prevent charging, etc.
Insert the battery
Follow these instructions to insert your phone’s battery safely and properly.
1. Remove the battery cover.
Lift gently in the direction shown.
2. Insert the battery.
Align the contacts of the battery with the contacts in the phone and gently press the battery down
into place.
3. Attach the battery cover.
Make sure that all the tabs are secure and there are no gaps around the cover.
Remove the battery
Follow these instructions to remove your phone’s battery. Always power the phone off before re-
moving the battery.