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Browse device topics
Backup & restore with computer
Learn how to backup and restore contacts & data on the device with a computer.
Tips & tricks to extend your battery performance.
Block or unblock calls from your device.
Add another person to your call, merge calls, place someone on hold and more.
Turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.
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.
Set up your device for the first time or after having done a factory reset.
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.
Learn your device's SIM card type, operating frequencies, physical characteristics, storage, and more.
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 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.)
Look at photos, watch videos, listen to songs, and more in just a few taps.
Manage camera and video settings including flash, timer, voice control, recording mode, storage location, and more.
Take screenshots, edit a picture or video, use the front and rear camera, and switch between camera and video modes.
This article describes how to change the wallpaper, or background, of the home screens.
Software update for the Nokia Lumia 635
Learn how to update the software of the Nokia Lumia 635.
Access Usage Manager to view data usage, set data limits, & see the apps using the most data.
Fix common service and device problems.
Download the free ActiveArmor app to:
Use the device help app to: