Samsung Galaxy A23 5G (SM-A236U)

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.

Insert or Remove SIM & Memory Card

Get instructions about how to install or remove 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 Personal Cloud

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

Available Storage

Learn how to check available device storage, free up memory, remove unused apps, or clear app data.

Back up & Restore with a Computer

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

Backup & Restore with Memory Card

Find out how to back up contacts, photos, and files with a memory card to increase device memory or transfer to another device.

Back up & Restore with Google

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

Fix backup, sync, restore or transfer issues

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

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.

Optimize Battery Life

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 or Unblock Calls

Block or unblock calls from your device. Block unknown 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

Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.

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.

Samsung Smart Switch Mobile

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

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.

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

Learn how to set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.

Signal & Cellular Data

View cellular network signal, turn cellular data connection, international roaming, and mobile data connection on or off.

Wi-Fi

Turn Wi-Fi on or off, connect to a Wi-Fi network, and remove a Wi-Fi network.

ARTICLES

Activate AT&T PREPAID Account

Learn how to activate an AT&T PREPAID account on your device, online, or over the phone.

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.

Gestures & Motion

How to use air gestures and motions, and access additional motions and gestures.

Insert or Remove SIM & Memory Card

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

Keyboard & Typing

Access keyboard settings, use swype, auto-complete suggestions, emojis, speech-to-text, 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.

Manage AT&T PREPAID Account

Change your AT&T PREPAID plan, check your balance, add money to your account and more.

Specifications

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

ARTICLES

Block or Unblock Messages

Block messages from your device.

Contacts

Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.

Email Settings

Manage email settings such as sync frequency, server settings, signature, removing 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

Manage messaging settings such as notification alerts, Advanced Messaging, message limits, restore default settings, and emergency/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

AT&T Mobile Transfer

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

Display

Change the display brightness, time out, and orientation.

Set Up Email

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

Split Screen

Learn how to use two applications at the same time using the split-screen functionality of Multi Window.

Gestures & Motion

How to use air gestures and motions, and access additional motions and gestures.

Screen Sharing

Discover how to project photos, videos, and media on your device to a TV, tablet, computer, or other device.

Secure My Device

Learn how to secure your device.

Find IMEI, Phone & Serial Number

Learn how to locate the IMEI, serial number, and phone number for your device.

Insert or Remove SIM & Memory Card

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

Specifications

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

Activate AT&T PREPAID Account

Learn how to activate an AT&T PREPAID account on your device, online, or over the phone.

Manage AT&T PREPAID Account

Change your AT&T PREPAID plan, check your balance, add money to your account and more.

Set Up Voicemail

Set up voicemail.

Wi-Fi Calling

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

AT&T Personal Cloud

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

Back up & Restore with Google

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

Samsung Smart Switch Mobile

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

ARTICLES

Samsung Free

Learn about how to use Samsung Free to quickly set reminders, search the internet, and more.

Screen Sharing

Discover how to project photos, videos, and media on your device to a TV, tablet, computer, or other device.

Split Screen

Learn how to use two applications at the same time using the split-screen functionality of Multi Window.

Browse the Web

Access the web, access or edit bookmarks, access tabs, and access browser settings.

Calendar

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

Digital Wellbeing

Keep track of how long you view screens and set limits using Digital Wellbeing features.

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.

Google Assistant

Learn how Google Assistant allows you to control your device and access voice control settings using voice commands.

Google Pay

Use Google Pay to make in-app and tap-to-pay purchases from your device.

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 your photos and 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.

Fix audio issues

Start a flow to troubleshoot audio issues.

Fix camera issues

Start a flow to troubleshoot camera issues.

Samsung Smart Switch Mobile

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

Take a Picture

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

Take a Screenshot

Learn how to take a screenshot and immediately share or edit your screenshot.

Take a Video

Learn how to 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.

Secure Folder

Learn how to 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

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.

ARTICLES

Available Storage

Learn how to check available device storage, free up memory, remove unused apps, or clear app data.

Find IMEI, Phone & Serial Number

Learn how to locate the IMEI, serial number, and phone number for your device.

Fix software update issues

Start a flow to troubleshoot software update issues.

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 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

Experiencing problems with an app? Learn how to troubleshoot, including clearing the app cache, checking for updates, and removing or reinstalling an app.

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

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

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.

Set Up Voicemail

Set up voicemail.

Wireless support

Find help for your wireless service or refresh your connection.

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