Device help

Get step-by-step help and info for your device.

Browse the Web

Browse the web, add bookmarks, and access browser settings to clear history and block or unblock pop-ups.

Download Apps & Games

Download apps, games, movies, music, books, magazine, newspapers and more.

Remove an App

Remove an icon from your home screen and delete apps from your device.

View or Close Running Apps

How to view, switch between, and close running applications.

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.

Reset Device

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

AT&T Personal Cloud

Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.

Backup & Restore with Computer

Backup and restore your device with a computer.

Backup & Restore with Memory Card

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

Backup & Restore with Google

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

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

Battery Life

Tips and tricks to extend your battery performance.

Charge the Battery

Tips on charging your battery.

AT&T ActiveArmor Mobile Security

Use AT&T ActiveArmor to automatically block fraudulent calls, warn  about phone spam, and temporarily block unwanted calls.

Block Calls

Block or unblock calls from your device.

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.

In-Call Options

Learn what features are available while on an active call.

Make & Receive a Call

Place, receive, and reject a call.

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.

Airplane Mode

Airplane mode will disable all wireless services on the device. Calls, data, and text messages cannot be sent or received. Disable Airplane mode to restore regular device function.

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.

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.

Specifications

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

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 having done a factory reset.

Gestures & Navigation

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.

Keyboard & Typing

Cut and paste, use speech-to-text, and access keyboard settings.

Learn & Customize the Home Screen

Make changes to wallpaper, themes, home screen panels, folders and screen grid.

Phone Assembly

Install and remove the SIM and battery.

Power Device On or Off

Turn your device on and off.

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.

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), emergency, 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) 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.

AT&T Personal Cloud

Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.

myAT&T

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

Voice Control

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

Calendar

Access the calendar and manage events.

AT&T Personal Cloud

Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.

Camera & Video Settings

Manage camera and video settings including flash, timer, voice control, recording mode, storage location, and more.

Fix audio issues

Start a flow to troubleshoot audio issues.

Fix camera issues

Start a flow to troubleshoot camera issues.

Take a Picture or Video

Take and edit a picture or video, use the front and rear camera, and switch between camera and video modes.

Transfer Media To & From a Computer

Transfer files to or from your device and a computer.

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

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

Reset Pattern Lock

Reset a forgotten pattern lock.

Learn about the AT&T Secure Family app

Do your children have smart devices? Use Secure Family to locate their devices, manage  their internet use, block apps or websites, and more.

Secure My Device

Lock or unlock your display, set a screen security lock type (pin, password, or pattern), 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.

Accessibility

Accessibility features allow you to improve the usability of your device for users affected by impaired vision or hearing, cognitive difficulty, or reduced dexterity.

Date & Time

Set the date and time and use the alarm clock.

Display

Change the brightness, display time out, and orientation.

Easy Mode

Switch between Easy Mode (changes your Home screen to a simpler experience for smartphone users) and Standard mode. Easy mode provides an easier interface with a simpler layout and larger font size.

Notifications

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

Sounds & Alerts

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

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 J3 (2016) (J320A)

Learn how to update the software of the Samsung Galaxy J3 (2016) (J320A).

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.

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.

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.

Having device issues?

Fix common service and device problems.