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Browse device topics
Browse the web, add bookmarks, and access browser settings to clear history and block or unblock pop-ups.
Backup photos, files, and contacts 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 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.
Use AT&T AllAccess to view data usage, set data usage alerts, pay bills, add features, and more.
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.
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.
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.
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 (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.
Learn how to update the software of the Samsung Galaxy Tab S7 5G (SM-T878U).
Learn how to troubleshoot apps by clearing the app cache, force stopping an app, checking for updates, removing an app, and reinstalling.