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Learn more about your Samsung Galaxy Tab A (8.4) (SM-T307U)
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 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.
Determine your device's SIM card type, operating frequencies, physical characteristics, storage, and more.
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.
Learn how to update the software of the Samsung Galaxy Tab A (8.4) (SM-T307U).
Learn how to troubleshoot apps by clearing the app cache, force stopping an app, checking for updates, removing an app, and reinstalling.
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.
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.
Discover how to project photos, videos, and media on your device to a TV, tablet, computer, or other device.
Learn how to use two applications at the same time using the split-screen functionality of Multi Window.
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 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.
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.
Learn how you can use Find My Mobile 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 (face, 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 access and adjust notification settings, turn notifications on or off, and more.