Samsung Galaxy S9 / S9+ (G960U/G965U)

Device help

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

Access downloaded files

Access files downloaded from a web browser, email, and messages.

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.

ARTICLES

Back up & restore with Google

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

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.

Insert SIM & memory card

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

Reset device

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

ARTICLES

AT&T Mobile Transfer

Move contacts, messages, music, and other data to your new device using AT&T Mobile Transfer.

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

Backup and restore your device with 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 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

AT&T Mobile Transfer

Move contacts, messages, music, and other data to your new device using AT&T Mobile Transfer.

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.

Call forwarding

Manage call forwarding from your device.

Call Protect

Learn how to set up AT&T Call Protect for an HD Voice-capable smartphone on your AT&T wireless account.

Contacts

Add, view, delete, and customize contacts by adding a picture or ringtone.

Make & receive an AT&T Video Call

AT&T Video Call lets you make and receive HD Voice calls combined with real-time video.

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

How to connect to a Wi-Fi network.

ARTICLES

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 and use Setup & Transfer.

Find IMEI & serial number

Learn how 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.

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

How to manage your keyboard settings, use auto-complete, Swype, and one-handed operation.

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.

ARTICLES

AT&T Messages Backup & Sync

View text and picture messages, calls, and voicemail messages in a single inbox. Send and receive messages from your tablet or computer.

Block messages

Block messages from your device.

Email settings

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

Messaging settings

Change text (SMS), picture (MMS), Advanced Messaging, wireless emergency (WEA), and AMBER alert settings.

Send & receive email

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

Send & receive messages

Create and respond to text (SMS), Advanced Messaging, 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.

Always On Display

Learn about Always On Display and how to change what appears on your display.

AT&T Mobile Transfer

Move contacts, messages, music, and other data to your new device using AT&T Mobile Transfer.

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 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, and turn notifications on or off.

Samsung Smart Switch Mobile

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

Secure My Device

Learn how to secure your device.

Set up email

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

Set up voicemail

Set up voicemail.

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.

Visual Intelligence

Bixby Vision gives you a deeper understanding of what you're looking at through your camera by identifying landmarks, translating languages, or showing you where to buy an item.

Wi-Fi Calling

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

ARTICLES

Always On Display

Learn about Always On Display and how to change what appears on your display.

AT&T Personal Cloud

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

Visual Intelligence

Bixby Vision gives you a deeper understanding of what you're looking at through your camera by identifying landmarks, translating languages, or showing you where to buy an item.

Calendar

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

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

Hello Bixby 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.

My Emoji

Learn how to create and use a personalized animated emoji in a message.

ARTICLES

Access, store photos & videos

Learn how to access and store Photos n Videos.

Advanced photo & video features

Learn how to access and use Camera modes, effects, customization, and crop a photo.

AT&T Mobile Transfer

Move contacts, messages, music, and other data to your new device using AT&T Mobile Transfer.

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

Learn how to take a picture, switch between front and rear camera, focus, and zoom.

Take a screenshot

Take a screenshot.

Take a video

Record a video, capture images during video recording, and more.

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

Secure your personal content and keep it hidden on your device.

Secure My Device

Learn how to secure your device.

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

Set the date and time and use the alarm clock.

Display

Change the display brightness, time out and orientation.

Easy Mode

Learn how to switch between Easy Mode (changes your home screen to a simpler experience for first-time smartphone users) and Standard mode.

Notifications

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

Sounds

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 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 your Samsung Galaxy S9 / S9+ (G960U/G965U).

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

Clear the app cache, force stop an app, check for updates, remove an app, and reinstall an app.

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.

ARTICLES

Access voicemail

Access and check your voicemail messages.

Change or reset voicemail password

Reset a forgotten password or change an existing voicemail password.

Set up voicemail

Set up voicemail.

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