Device help

Find step-by-step help for your device.

Browse device topics

Articles

Access Downloaded Files

Learn how to 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.

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Back up & Restore with Google

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

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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.

Available Storage

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

Back up & 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.

Back up & Restore with Google

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

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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.

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Block or Unblock Calls

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

Call Features

Learn what features are available for a phone 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.

Wi-Fi Calling

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

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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.

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.

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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 performing a factory reset.

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.

Google Sign-In

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

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, shortcuts, folders, wallpapers, and home screen panels.

Manage AT&T PREPAID Account

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

Phone Assembly

Learn how to install and remove the battery, SIM card, and memory card (microSD).

Specifications

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

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Block or Unblock Messages

Learn how to block and unblock messages.

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.

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.

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Activate AT&T Prepaid® Account

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

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.

Back up & Restore with Google

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

Articles

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.

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.

myAT&T

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

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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 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 storage location, flash, picture size, timer, and more.

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 and access screenshots.

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.

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Ads, Pop-ups, & Notifications

Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.

Anti-Theft

Learn how you can help protect your phone from unauthorized use if it has been lost, stolen, or reset to factory settings without your permission.

Secure My Device

Learn how to lock or unlock your display, set a screen security lock type (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.

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Accessibility

Accessibility features improve the usability of your device for users with impaired vision or hearing, cognitive difficulty, or reduced dexterity.

Date, Time & Alarm

Learn how to set the date and time on your device as well as use the alarm clock.

Display

Change the display brightness, time out and orientation.

Notifications & Alerts

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

Sounds

Change volume settings, ringtones, and notification alerts.

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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 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 for the AT&T Calypso (U318AA)

Learn how to update the software of the AT&T Calypso (U318AA).

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.

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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

Learn how to troubleshoot apps by clearing the app cache, force stopping an app, checking for updates, removing an app, and reinstalling.

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 or access your voicemail messages.

Change or Reset Voicemail Password

Reset a forgotten password or change an existing voicemail password.

Set Up Voicemail

Set up voicemail.

Having device issues?

Fix common service and device problems.

Get the AT&T ActiveArmor app

Download the free ActiveArmor app to:

  • Help block spam and fraud calls
  • Secure your device and the stuff on it
  • Get notified of data breaches
Download ActiveArmor app from the App store
Download ActiveArmor app from the Google Play store
Get the AT&T Device Help app

Use the device help app to:

  • View customized device tutorials
  • Run device health check
  • Get help with common device issues
Download Device Help app from the App store
Download Device Help app from the Google Play store