Device help
Get step-by-step help and info for your device.
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Get directions and navigation using AT&T Navigator.
Learn to browse the web and manage tabs and bookmarks.
Access browser settings to delete browser history, set the home page, and more.
Download apps, games, movies, music, books, magazine, newspapers and more.
Remove an icon from your home screen and delete apps from your device.
Stay connected by using a social media app or aggregator.
How to view, switch between, and close running applications
Backup & restore with computer
Learn how to backup and restore contacts & data on the device with a computer.
Backup & restore with memory card
Backup and restore contacts, photos, & files using a memory card.
Tips & tricks to extend your battery performance.
How to charge your battery.
Block or unblock calls from your device.
Learn how to show or hide your caller ID when making calls.
Learn how to manage call forwarding from your device.
Add another person to your call, merge calls, place someone on hold and more.
Add, view, delete, and customize contacts by adding a picture or ringtone.
Learn what features are available while on an active call.
Place, receive, & reject a call.
Learn how to use speed dial and manage speed dial contacts.
Learn how to turn Airplane mode on and off.
Turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.
Learn how to connect your mobile device to AT&T MicroCell.
How to set up your device as a mobile hotspot to 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 your device to a Wi-Fi network.
This article provides an overview of Action Center.
Learn your device's SIM card type, operating frequencies, physical characteristics, storage, and more.
Provides an overview of the device layout.
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.
How to use the keyboard, use speech-to-text, access keyboard settings, and more.
Learn & customize the home screen
Add shortcuts and widgets, access the notification panel, changing wallpaper, and more.
Sign in using your Microsoft account to access Xbox LIVE, Windows Phone Store, and more.
How to install the battery, SIM, and memory card (for applicable devices).
Turn your device on and off.
Perform a text and voice search on your device and how to adjust search settings.
Learn how to block messages from your device.
Manage email settings such as sync frequency, server settings, signature, deleting an email account, and more.
Set text (SMS) and picture (MMS) message alerts, limits, display options and more.
Add and download email attachments, respond to an email and more.
How to send, receive, and delete picture (MMS) and text (SMS) messages.
Add your Exchange email account to sync email, contacts, calendar, and notes to your device.
Add your personal email account to sync email, contacts, calendar, and notes to your device.
Project photos, videos, and media on your device to another device (TV, tablet, computer, etc.)
Use voice commands to control your device and access voice control settings.
Learn how to access the calendar and manage events.
How to set up and use Cortana, a personal assistant that provides help whenever you need it.
Manage camera and video settings including flash, timer, voice control, recording mode, storage location, and more.
Play music, turn the music player off.
Take screenshots, edit a picture or video, use the front and rear camera, and switch between camera and video modes.
Transfer media to & from computer
Transfer files to or from your device and a computer.
Access, view, and share your photos and videos.
This article describes the anti-theft feature of the phone.
Lock the device screen, set and change security lock, and locate device.
Turn on features such as TalkBack, Hearing aid mode, and more.
This article describes how to change the wallpaper, or background, of the home screens.
Set the date & time.
Change the display time out, brightness and orientation.
Change volume settings, ringtones, and notification alerts.
Check the available device storage.
View the device IMEI, phone, SIM (ICCID) & serial number.
Software update for the Nokia Lumia 635
Learn how to update the software of the Nokia Lumia 635.
Determine your current device software version and check for updates.
Access Usage Manager to view data usage, set data limits, & see the apps using the most data.
Learn how to perform a soft and factory reset of the device.
Check your voicemail messages.
Change or reset voicemail password
How to troubleshoot the voicemail feature.
Set up voicemail on your device.
