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Backup photos, files, and contacts to increase device memory or transfer to another device.
Find out how back up contacts, photos, and files with a memory card to increase device memory or transfer to another device.
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.
ATnT Video Call lets you make and receive HD Voice calls combined with real-time video.
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.
Use AT&T AllAccess to view data usage, set data usage alerts, pay bills, add features, and more.
How to use air gestures and motions, and access additional motions and gestures.
Access keyboard settings, use swype, auto-complete suggestions, emojis, and speech-to-text.
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.
Create and respond to text (SMS) or picture (MMS) messages, add, save, and view received attachments and more.
Discover how to project photos, videos, and media on your device to a TV, tablet, computer, or other device.
Watch, search, and record your favorite movies and shows, and turn your device into your remote control, with the DIRECTV app on your phone.
Learn how Google Assistant allows you to control your device and access voice control settings using voice commands.
Hello Bixby allows you to quickly set reminders, create voice dictation, search and access content on your phone and on the internet.
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.
Look at photos, watch videos, listen to songs, and more in just a few taps.
Learn how to access and use Camera modes, effects, customization, and crop a photo.
Learn how to take a picture or video, use the front and rear camera, switch between camera and video modes, and more.
Find My Mobile allows you to manage your device in a secure way by tracking and controlling your device remotely.
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 check available device storage, free up memory, remove unused apps, or clear app data.
Learn how to update the software of the Samsung Galaxy Tab A (T387AA).
Learn how to troubleshoot apps by clearing the app cache, force stopping an app, checking for updates, removing an app, and reinstalling.