Samsung Galaxy Tab A (8.4) (SM-T307U)

Device help

Find step-by-step help for your device.
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ARTICLES

Access downloaded files

Use My Files to open and manage downloaded and device created files.

Browse the Web

Access the web, access or edit bookmarks, access tabs, and access browser settings.

Download apps & games

Download apps, games, movies, music, books, magazines, newspapers and more.

My Files

Use My Files to open and manage downloaded and device created files.

ARTICLES

AT&T Personal Cloud

Back up and sync your contacts, photos, videos, and more from your device.

Available memory

Learn how to check available device storage, free up memory, remove unused apps, or clear app data.

Backup & restore with computer

Learn how to back up and restore your device using a computer.

Backup & restore with Google

Discover how to use Google to back up contacts, photos, and files.

Backup & restore with memory card

Find out how to back up contacts, photos, and files with a memory card to increase device memory or transfer to another device.

Samsung Smart Switch Mobile

Learn how to transfer your data and apps from your old device to your new one.

ARTICLES

Airplane Mode

Learn how to turn Airplane Mode on and off using the Notification bar or through Settings.

Battery optimization

Tips and tricks to extend your battery performance.

Display

Change the display brightness, time out and orientation.

ARTICLES

Block calls

Block or unblock calls from your device. Block anonymous calls.

Call features

Get familiar with in-call options, including muting and speakerphone, as well as advanced call features, such as creating a conference call.

Contacts

Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.

Make & receive an AT&T Video Call

Learn how to use one smartphone number across multiple devices to send and receive texts, make and receive calls, and more.

Wi-Fi Calling

Use your Wi-Fi connection to talk and text when cellular coverage is limited or unavailable.

ARTICLES

Airplane Mode

Learn how to turn Airplane Mode on and off using the Notification bar or through Settings.

Bluetooth

Learn how to turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.

Mobile Hotspot

Learn how to set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.

Samsung SmartThings

Learn how to use Samsung SmartThings to connect to and control a wide range of devices.

Signal & cellular data

View cellular network signal, turn cellular data connection, international roaming, and mobile data connection on or off.

Wi-Fi

Turn Wi-Fi on or off, connect to a Wi-Fi network, and remove a Wi-Fi network.

ARTICLES

Activate device

Learn how to activate AT&T service and use the AT&T AllAccess app.

AT&T AllAccess

Use AT&T AllAccess to view data usage, set data usage alerts, pay bills, add features, and more.

Cleaning your device

Get tips on the best way to keep your device clean.

Device setup

Set up your device for the first time or after a factory reset.

Find IMEI & serial number

Learn how to locate your device's IMEI, serial number, and phone number.

Gestures & navigation

How to use air gestures and motions, and access additional motions and gestures.

Google sign-in

Add your Google account to sync Gmail, Chrome, YouTube, Google Maps, and More.

Insert SIM & Memory Card

Get instructions about how to install a SIM or memory card for your device.

Keyboard & typing

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.

Specifications

Determine your device's SIM card type, operating frequencies, physical characteristics, storage, and more.

User accounts

Find out how to create and manage separate user accounts for your device.

ARTICLES

AT&T Messages

Bring together your call logs, voicemail, text, and multimedia messages into one inbox across devices.

Contacts

Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.

Email settings

Manage email settings such as sync frequency, server settings, signature, removing an email account, and more.

Messaging settings

Manage AT&T messaging settings.

Send & receive email

Add and download email attachments, respond to an email and more.

Send & receive messages

Create and respond to text (SMS) or picture (MMS) messages, add, save, and view received attachments and more.

Set Up Email

Learn how to add your email accounts so you can read and send email on your device.

ARTICLES

Accessibility

Accessibility features improve the usability of your device for users with impaired vision or hearing, cognitive difficulty, or reduced dexterity.

AT&T NumberSync

Learn how to use one smartphone number across multiple devices to send and receive texts, make and receive calls, and more.

AT&T Personal Cloud

Back up and sync your contacts, photos, videos, and more from your device.

Display

Change the display brightness, time out and orientation.

Find IMEI, Phone & Serial Number

Learn how to locate your device's IMEI, serial number, and phone number.

Gestures & Motion

How to use air gestures and motions, and access additional motions and gestures.

Insert SIM & Memory Card

Get instructions about how to install a SIM or memory card for your device.

Learn & Customize the Home Screen

Make changes to apps, widgets, folders, wallpapers, home screen panels, screen grid, and home touch buttons.

Mobile Hotspot

Learn how to set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.

Notifications & Alerts

Learn how to access and adjust notification settings, turn notifications on or off, and more.

Samsung Smart Switch Mobile

Learn how to transfer your data and apps from your old device to your new one.

Screen Sharing

Discover how to project photos, videos, and media on your device to a TV, tablet, computer, or other device.

Secure My 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.

Set Up Email

Learn how to add your email accounts so you can read and send email on your device.

Sounds

Change volume settings, ringtones, notification alerts and do not disturb.

Specifications

Determine your device's SIM card type, operating frequencies, physical characteristics, storage, and more.

Wi-Fi Calling

Use your Wi-Fi connection to talk and text when cellular coverage is limited or unavailable.

ARTICLES

Screen projecting

Discover how to project photos, videos, and media on your device to a TV, tablet, computer, or other device.

AT&T Personal Cloud

Back up and sync your contacts, photos, videos, and more from your device.

Split Screen

Learn how to use two applications at the same time using the split-screen functionality of Multi Window.

TV Mode

How to set up and access TV Mode, adjust settings, and Enable/Disable using Quick Settings.

AT&T TV

Watch, search, and record your favorite movies and shows, and turn your device into your remote control, with the AT&T TV app on your tablet.

Browse the Web

Access the web, access or edit bookmarks, access tabs, and access browser settings.

Calendar

Access the calendar on your device and learn how to manage events.

DIRECTV app

Watch, search, and record your favorite movies and shows, and turn your device into your remote control, with the DIRECTV app on your phone.

Google Assistant

Learn how Google Assistant allows you to control your device and access voice control settings using voice commands.

HBO Max

All of HBO together with new hits, classic favorites, plus new Max Originals.

Hello Bixby

Samsung Free allows you to quickly set reminders, create voice dictation, search and access content on your phone and on the internet.

myAT&T

View and pay your AT&T bills online, manage your account, reset passwords, or upgrade your AT&T services.

NumberSync

Learn how to use one smartphone number across multiple devices to send and receive texts, make and receive calls, and more.

ARTICLES

Access, store photos & videos

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.

AT&T Personal Cloud

Back up and sync your contacts, photos, videos, and more from your device.

Camera & video settings

Manage camera and video settings including flash, timer, and more.

Take a picture or video

Learn how to take a picture or video, use the front and rear camera, switch between camera and video modes, and more.

Take a screenshot

Learn how to take a screenshot and immediately share or edit your screenshot.

Transfer photos & videos

Learn how to transfer photos and videos to or from your device and a computer.

ARTICLES

Ads, pop-ups & notifications

Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.

Find My Mobile

Learn how you can use Find My Mobile to manage your device in a secure way by tracking and controlling your device remotely.

Secure Folder

Learn how to secure your personal content and keep it hidden on your device.

Secure My 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.

Viruses & Malware

Learn how to determine if you might have harmful software (malware) on your device and get tips to help fix the issue.

ARTICLES

Accessibility

Accessibility features improve the usability of your device for users with impaired vision or hearing, cognitive difficulty, or reduced dexterity.

Date & time

Learn how to set the date and time on your device as well as use the alarm clock.

Display

Change the display brightness, time out and orientation.

Notifications

Learn how to access and adjust notification settings, turn notifications on or off, and more.

Sounds & alerts

Change volume settings, ringtones, notification alerts and do not disturb.

ARTICLES

Available memory

Learn how to check available device storage, free up memory, remove unused apps, or clear app data.

Find IMEI & serial number

Learn how to locate your device's IMEI, serial number, and phone number.

Reset device

Learn how to perform a soft, factory, or alternate master reset of your device.

Safe Mode

Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.

Software update

Learn how to update the software of the Samsung Galaxy Tab A (8.4) (SM-T307U).

Software version

Determine your current device software version and check for updates.

View & manage data

Access Usage Manager to view data usage, set data limits, and see the apps using the most data.

ARTICLES

Ads, pop-ups & notifications

Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.

App troubleshooting

Learn how to troubleshoot apps by clearing the app cache, force stopping an app, checking for updates, removing an app, and reinstalling.

Reset device

Learn how to perform a soft, factory, or alternate master reset of your device.

Safe Mode

Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.

Having device issues?

Fix common service and device problems.

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