Samsung Galaxy S8 / S8+ (G955U/G950U)

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

Backup & Restore with Google

Backup Google account data in the event you have to replace or reset your device so you can restore later.

Find My Mobile

Find My Mobile allows you to manage your device in a secure way by tracking and controlling your device remotely.

Insert or Remove SIM & Memory Card

Install and remove the SIM and memory card (MicroSD).

Reset Device

Perform a soft, factory, and alternate master reset of the 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.

Backup & Restore with a Computer

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

Backup & Restore with Google

Backup Google account data in the event you have to replace or reset your device so you can restore later.

Backup & Restore with Memory Card

Backup contacts, photos, and files to increase device memory or transfer to another device.

Fix backup, sync, restore or transfer issues

Start a flow to troubleshoot backup, sync, restore or transfer issues.

Samsung Smart Switch Mobile

Transfer your data and apps from your old device to your new one.

ARTICLES

Optimize Battery Life

Manage battery consumption and view power-saving options.

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Block or Unblock Calls

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

Call Features

Learn what features are available while on an active 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.

Fix call forwarding or caller id issues

Start a flow to troubleshoot call forwarding or caller ID issues.

Fix phone call issues

Start a flow to troubleshoot phone call issues.

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

Turn Airplane mode on and off.

Bluetooth

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

Fix Bluetooth issues

Start a flow to troubleshoot Bluetooth issues.

Fix hotspot issues

Start a flow to troubleshoot hotspots issues.

Fix Internet issues

Start a flow to troubleshoot internet issues.

Fix Wi-Fi issues

Start a flow to troubleshoot Wi-Fi issues.

Mobile Hotspot

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 international roaming or your mobile data connection on or off.

Wi-Fi

How to connect to a Wi-Fi network.

ARTICLES

Learn how to clean 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, use Setup n Transfer and enable Easy Mode.

Edge Screen

How to access, edit, and manage the Edge Screen.

Gestures & Motion

Control your device by making specific movements with your hand.

Google Sign-In

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

Insert or Remove SIM & Memory Card

Install and remove the SIM and memory card (MicroSD).

Keyboard & Typing

Keyboard functions, Auto-complete, Swype, Copy n Paste, One-handed operation, and Keyboard settings.

Learn & Customize the Home Screen

Make changes to wallpaper, themes, home screen panels, folders, screen grid, and enable or disable Easy Mode.

Specifications

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

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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 or Unblock Messages

Block messages from your device.

Email Settings

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

Fix email issues

Start a flow to troubleshoot email issues.

Fix messaging issues

Start a flow to troubleshoot messaging issues.

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

Add your email accounts so you can read and send email on your device.

ARTICLES

AT&T Personal Cloud

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

Insert or Remove SIM & Memory Card

Install and remove the SIM and memory card (MicroSD).

ARTICLES

Always On Display

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

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

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 and manage events.

Google Assistant

Use voice commands to control your device and access voice control settings.

HBO Max

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

Multi Window

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.

myAT&T

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

ARTICLES

Access, Store Photos & Videos

Learn how to access and store Photos & 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 picture size, timer, voice control, and flash.

Fix audio issues

Start a flow to troubleshoot audio issues.

Fix camera issues

Start a flow to troubleshoot camera issues.

Take a Picture

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

Transfer files 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.

Get AT&T Mobile Security & Call Protect Apps

Find out how our apps can help keep your mobile data secure and prevent fraud and nuisance calls.

Find My Mobile

Find My Mobile allows you 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

Lock or unlock your display, set a screen security lock type (intellegent scan, face, iris, 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

Turn on features such as Voice Assistant, Flash Notifications, and more.

Date, Time & Alarm

Set the date and time and use the alarm clock.

Display

Change the display time out, brightness and orientation.

Easy Mode

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

Notifications & Alerts

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

Sounds

Change volume settings, ringtones, and do not disturb mode.

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Available Memory

Check the available device storage.

Find IMEI, Serial Number & Phone Number

View the device IMEI, phone, and serial number.

Fix software update issues

Start a flow to troubleshoot software update issues.

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 for the Samsung Galaxy S8 /S8+ (G950U) / (G955U) for the Samsung Galaxy S8 / Galaxy S8+ (G950U) / (G955U)

Learn how to update the software of the Samsung Galaxy S8 / Galaxy S8+ (G950U) / (G955U).

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

Use application manager to improve your app and device performance.

Fix contacts or photos issues

Start a flow to troubleshoot contacts or photos issues.

Fix Internet issues

Start a flow to troubleshoot internet issues.

Fix messaging issues

Start a flow to troubleshoot messaging issues.

Fix phone call issues

Start a flow to troubleshoot phone call issues.

Fix power and battery issues

Start a flow to troubleshoot power and battery issues.

Fix screen issues

Start a flow to troubleshoot screen issues.

Fix SIM card issues

Start a flow to troubleshoot SIM card issues.

Fix voicemail issues

Start a flow to troubleshoot voicemail issues.

Reset Device

Perform a soft, factory, and alternate master reset of the 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

Check your voicemail messages.

Change or Reset Voicemail Password

Reset a forgotten password or change an existing voicemail password.

Fix voicemail issues

Start a flow to troubleshoot voicemail issues.

Manage voicemail settings and security

Learn how to manage your voicemail, including recording a personal greeting and changing your password.

Set Up Voicemail

Set up voicemail, check messages, and change or reset password.

Having device issues?

Fix common service and device problems.

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