Device help
Find step-by-step help for your device.
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Articles
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.
Articles
Learn how to check available device storage, free up memory, remove unused apps, or clear app data.
Backup & restore with computer
Backup photos, files, and contacts to increase device memory or transfer to another device.
Discover how to use Google to back up contacts, photos, and files.
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.
Articles
Learn how to turn Airplane Mode on and off using the Notification bar or through Settings.
Tips and tricks to extend your battery performance.
Change the display brightness, time out and orientation.
Articles
Block or unblock calls from your device. Block anonymous calls.
Get familiar with in-call options, including muting and speakerphone, as well as advanced call features, such as creating a conference call.
Manage call forwarding from your device.
Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.
Articles
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.
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.
Articles
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.
Get tips on the best way to keep your device clean.
Set up your device for the first time or after a factory reset.
Learn how to access, edit, and manage the Edge Screen.
Learn how locate your device's IMEI, serial number, and phone number.
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.
Learn how to hand write memos, draw on screenshots, access S Pen settings, and more.
Determine your device's SIM card type, operating frequencies, physical characteristics, storage, and more.
Find out how to create and manage separate user accounts for your device.
Articles
Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.
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.
Articles
Learn how to access and use Samsung Note.
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 to access and use Daily Board.
Learn how to access and use Dex.
Learn how to set up and use Dual Media Stream. Dual Media Stream allows you to stream audio to up to two Bluetooth devices simultaneously.
Learn how Google Assistant allows you to control your device and access voice control settings using voice commands.
Learn how to create and use a personalized animated emoji in a message.
Learn how to use one smartphone number across multiple devices to send and receive texts, make and receive calls, and more.
Articles
Bring together your call logs, voicemail, text, and multimedia messages into one inbox across devices.
Photos, videos, and media
Look at photos, watch videos, listen to songs, and more in just a few taps.
Articles
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.
Learn how to transfer photos and videos to or from your device and a computer.
Articles
Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.
Find My Mobile allows you to manage your device in a secure way by tracking and controlling your device remotely.
Learn how to 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 (face, fingerprint, pin, password, pattern, or swipe), get your PUK code, or request your device be unlocked from the AT&T network.
Learn how to determine if you might have harmful software (malware) on your device and get tips to help fix the issue.
Articles
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, turn notifications on or off, and more.
Change volume settings, ringtones, notification alerts and do not disturb.
Articles
Learn how to check available device storage, free up memory, remove unused apps, or clear app data.
Learn how locate your device's IMEI, serial number, and phone number.
Learn how to perform a soft, factory, or alternate master reset of your device.
Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.
Learn how to update the software of the Samsung Galaxy Tab S7 5G (SM-T878U).
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.
Articles
Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.
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.
Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.