Device help
Get step-by-step help and info for your device.
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Access files downloaded from a web browser, email, and messages.
Browse the web, add bookmarks, and access browser settings to clear history and block or unblock pop-ups.
Download apps, games, movies, music, books, magazines, newspapers and more.
Use My Files to open and manage downloaded and device created files.
Discover how to use Google to back up contacts, photos, and files.
Find My Mobile allows you to manage your device in a secure way by tracking and controlling your device remotely.
Backup & Restore with a Computer
Backup photos, files, and contacts to increase device memory or transfer to another device.
Backup & Restore with Memory Card
Find out how back up contacts, photos, and files with a memory card to increase device memory or transfer to another device.
Discover how to use Google to back up contacts, photos, and files.
Transfer your data and apps from your old device to your new one.
Tips and tricks to extend your battery performance.
Get familiar with in-call options, including muting and speakerphone, as well as advanced call features, such as creating a conference call.
Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.
Make & Receive an AT&T Video Call
AT&T Video Call lets you make and receive HD Voice calls combined with real-time video.
Use your Wi-Fi connection to talk and text when cellular coverage is limited or unavailable.
Learn how to turn Airplane Mode on and off using the Notification bar or through Settings.
Learn how to turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.
Learn how to set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.
Learn how to use Samsung SmartThings to connect to and control a wide range of devices.
View cellular network signal, turn cellular data connection, international roaming, and mobile data connection on or off.
Turn Wi-Fi on or off, connect to a Wi-Fi network, and remove a Wi-Fi network.
Find out how to create and manage separate user accounts for your device.
Learn how to activate AT&T service and use the AT&T AllAccess app.
Use AT&T AllAccess to view data usage, set data usage alerts, pay bills, add features, and more.
Set up your device for the first time or after a factory reset.
How to use air gestures and motions, and access additional motions and gestures.
Add your Google account to sync Gmail, Chrome, YouTube, Google Maps, and more.
Get instructions about how to install a SIM or memory card for your device.
Access keyboard settings, use swype, auto-complete suggestions, emojis, and speech-to-text.
Learn & Customize the Home Screen
Make changes to apps, widgets, folders, wallpapers, home screen panels, screen grid, and home touch buttons.
Determine your device's SIM card type, operating frequencies, physical characteristics, storage, and more.
Bring together your call logs, voicemail, text, and multimedia messages into one inbox across devices.
Manage email settings such as sync frequency, server settings, signature, removing an email account, and more.
Manage AT&T messaging settings.
Add and download email attachments, respond to an email and more.
Create and respond to text (SMS) or picture (MMS) messages, add, save, and view received attachments and more.
Learn how to add your email accounts so you can read and send email on your device.
Discover how to use Google to back up contacts, photos, and files.
Learn how to use one smartphone number across multiple devices to send and receive texts, make and receive calls, and more.
Hello Bixby allows you to quickly set reminders, create voice dictation, search and access content on your phone and on the internet.
Discover how to project photos, videos, and media on your device to a TV, tablet, computer, or other device.
How to set up and access TV Mode, adjust settings, and Enable/Disable using Quick Settings.
Access the calendar on your device and learn how to manage events.
Learn how Google Assistant allows you to control your device and access voice control settings using voice commands.
Learn how to use two applications at the same time using the split-screen functionality of Multi Window.
View and pay your AT&T bills online, manage your account, reset passwords, or upgrade your AT&T services.
Learn how to access and store your photos and videos.
Advanced Photo & Video Features
Learn how to access and use Camera modes, effects, customization, and crop a photo.
Manage camera and video settings including flash, timer, and more.
Learn how to take a picture or video, use the front and rear camera, switch between camera and video modes, and more.
Learn how to take a screenshot and immediately share or edit your screenshot.
Transfer files to or from your device and a computer.
Find My Mobile allows you to manage your device in a secure way by tracking and controlling your device remotely.
Secure your personal content and keep it hidden on your device.
Learn how to lock or unlock your display, set a screen security lock type (intelligent scan, face, iris, fingerprint, pin, password, pattern, or swipe), get your PUK code, or request your device be unlocked from the AT&T network.
Accessibility features improve the usability of your device for users with impaired vision or hearing, cognitive difficulty, or reduced dexterity.
Learn how to set the date and time on your device as well as use the alarm clock.
Change the display brightness, time out and orientation.
Learn how to access and adjust notification settings and turn notifications on or off.
Change volume settings, ringtones, notification alerts and do not disturb.
Learn how to check available device storage, free up memory, remove unused apps, or clear app data.
Find IMEI, Phone & Serial Number
Learn how locate your device's IMEI, serial number, and phone number.
Software update for the Samsung Galaxy Tab A (T387AA)
Learn how to update the software of the Samsung Galaxy Tab A (T387AA).
Determine your current device software version and check for updates.
Access Usage Manager to view data usage, set data limits, and see the apps using the most data.
Learn how to troubleshoot apps by clearing the app cache, force stopping an app, checking for updates, removing an app, and reinstalling.
Learn how to perform a soft, factory, or alternate master reset of your device.
