Device help
Explore tutorials and more for your device.
Want to get to know your device a litte better? Explore features, find out how to keep it safe, and more.
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Learn more about your Samsung Galaxy J3 (2017) (J327A)
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Block or unblock calls from your device. Block anonymous calls.
Manage call forwarding from your device.
Learn how to set up ATnT Call Protect for an HD Voice-capable smartphone on your ATnT wireless account. ATnT Call Protect allows you to automatically block fraudulent calls, warns you about phone spam, and temporarily blocks unwanted calls.
Access contacts, create a contact, edit a contact, add a picture or ringtone to a contact, delete a contact, add or remove a contact to speed dial, and back up contacts.
Fix call forwarding or caller id issues
Start a flow to troubleshoot call forwarding or caller ID issues.
Start a flow to troubleshoot phone call issues.
Learn what features are available while on an active 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.
Use your Wi-Fi connection to talk and text when cellular coverage is limited or unavailable.
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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.
Turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.
Start a flow to troubleshoot Bluetooth issues.
Start a flow to troubleshoot hotspots issues.
Start a flow to troubleshoot internet issues.
Start a flow to troubleshoot Wi-Fi issues.
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.
How to connect to a Wi-Fi network.
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Determine your device's SIM card type, operating frequencies, physical characteristics, storage, and more.
Get tips on the best way to keep your device clean.
Set up your device for the first time or after having done a factory reset.
Control your device by making specific movements with your hand.
Add your Google account to sync Gmail, Chrome, YouTube, Google Maps, and more.
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.
Install and remove the SIM and battery.
Turn your device on and off.
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Check the available device storage.
View the device phone, serial, and IMEI number.
Start a flow to troubleshoot software update issues.
Learn how to update the software of the Samsung Galaxy J3 (2017) (J327A).
Determine your current device software version and check for updates.
Access Usage Manager to view data usage, set data limits, and see the apps using the most data.
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Use application manager to improve your app and device performance.
Fix contacts and photos issues
Start a flow to troubleshoot contacts or photos issues.
Start a flow to troubleshoot internet issues.
Start a flow to troubleshoot messaging issues.
Start a flow to troubleshoot phone call issues.
Start a flow to troubleshoot power and battery issues.
Start a flow to troubleshoot screen issues.
Start a flow to troubleshoot SIM card issues.
Start a flow to troubleshoot voicemail issues.
Perform a soft, factory, and alternate master reset of the device.
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Check your voicemail messages.
Change or reset voicemail password
Reset a forgotten password or change an existing voicemail password.
Start a flow to troubleshoot voicemail issues.
Set up voicemail.
More Topics
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Browse the web, add bookmarks, use browser tabs, and access browser settings.
Download apps, games, movies, music, books, magazine, newspapers and more.
Remove an icon from your home screen and delete apps from your device.
How to view, switch between, and close running applications.
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Move contacts, messages, music, and other data to your new device using ATnT Mobile Transfer.
Backup & restore with computer
Backup and restore your device with a computer.
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 photos, files, and contacts 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.
Transfer your data and apps from your old device to your new one.
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This tutorial shows the device power saving apps and features as well as how to access the Device Maintenance Battery screen to determine what apps and features are consuming battery power.
Tips on charging your battery.
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View text and picture messages, calls, and voicemail messages in a single inbox. Send and receive messages from your tablet or computer.
Block messages from your device.
Manage email settings such as sync frequency, server settings, signature, deleting an email account, and more.
Start a flow to troubleshoot email issues.
Start a flow to troubleshoot messaging issues.
Access Messages settings, adjust notifications, enable or disable Advanced Messaging, change the font size, change text settings (SMS), change picture settings (MMS), view the message center number, and adjust emergency alerts.
Add and download email attachments, respond to an email and more.
Create and respond to text (SMS), Advanced Messaging, or picture (MMS) messages, add, save, and view received attachments and more.
Add your email accounts so you can read and send email on your device.
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Use voice commands to control your device and access voice control settings.
Access the calendar, change the calendar view, and manage events.
Watch, search, record, and more. You never have to be without the entertainment you can't live without. With the DIRECTV app on your phone, your favorite movies and shows are all right there in, your pocket, ready to entertain whenever the mood strikes you.
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 ATnT bills online, manage your account, reset passwords, or upgrade your ATnT services.
Photos, videos, and media
Look at photos, watch videos, listen to songs, and more in just a few taps.
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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.
Manage camera and video settings including flash, timer, and more.
Start a flow to troubleshoot audio issues.
Start a flow to troubleshoot camera issues.
Transfer files to or from your device and a computer.
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AT&T Mobile Security & Call Protect
Find out how our apps can help keep your mobile data secure and prevent fraud and nuisance calls
Find My Mobile allows you to manage your device in a secure way by tracking and controlling your device remotely.
Reset a forgotten pattern lock.
Secure your personal content and keep it hidden on your 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 ATnT network.
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Accessibility features allow you to improve the usability of your device for users affected by impaired vision or hearing, cognitive difficulty, or reduced dexterity.
Set the date and time and use the alarm clock.
Change the brightness, display time out, orientation, and app shortcuts.
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.
Learn how to access and adjust notification settings and turn notifications on or off.
Change volume settings, ringtones, notification alerts, and do not disturb mode.