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Browse device topics
Discover how to use Google to back up contacts, photos, and files.
Backup contacts, photos, and files 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 set up AT&T Call Protect for an HD Voice-capable smartphone on your AT&T wireless account.
AT&T Video Call lets you make and receive HD Voice calls combined with real-time video.
Learn how to turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.
Set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.
View cellular network signal, turn international roaming or your mobile data connection on or off.
Set up your device for the first time or after a factory reset and use Setup & Transfer.
Keyboard functions, Auto-complete, Swype, Copy & Paste, One-handed operation, and Keyboard settings.
Make changes to wallpaper, themes, home screen panels, folders and screen grid.
Write memos on the screen, attach memos to contacts, write and draw on screenshots, use smart select, S Pen remote, access S Pen settings and access Air view.
View text and picture messages, calls, and voicemail messages in a single inbox. Send and receive messages from your tablet or computer.
Manage email settings such as sync frequency, server settings, signature, deleting an email account, and more.
Manage messaging settings such as notification alerts, Advanced Messaging, message limits, restore default settings, and emergency/AMBER alert settings.
Create and respond to text (SMS), Advanced Messaging, or picture (MMS) messages, add, save, and view received attachments and more.
Always On Display allows you to view the clock, battery and missed phone call/message notifications when the screen is turned off. The Always On Display screen uses less power and also utilizes the proximity sensor to turn off completely when in a purse or pocket. The user can change what appears on the Always On Display screen.
Hello Bixby allows you to quickly set reminders, create voice dictation, search and access content on your phone and on the internet.
Project photos, videos, and media on your device to another device (TV, tablet, computer, etc.).
The Multi Window feature provides split-screen functionality, which allows you to use two applications at the same time. Complete multiple tasks on one screen, take notes while watching a video, or search the web and check your email messages simultaneously.
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.
Manage camera and video settings including picture size, timer, voice control, and flash.
Lock or unlock your display, set a screen security lock type (pin, password, pattern, fingerprints, or iris and face recognition), get your PUK code, or request your device be unlocked from the AT&T network.
How to enable vision, hearing and dexterity support, use text-to-speech and other modes that may make it easier to use your device.
Switch between Easy Mode (changes your home screen to a simpler experience for first-time smartphone users) and Standard mode.
Learn how to access and adjust notification settings, and turn notifications on or off.
Learn how to update the software of the Samsung Galaxy Note9 (N960U).
Clear the app cache, force stop an app, check for updates, remove an app, and reinstall an app.