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Browse device topics
Access browser settings to clear history, set homepage, adjust text size, manage pop-up, change the default browser, and restore default settings.
Backup & Restore with a Computer
Backup and restore your device with a computer.
Backup & Restore with Memory Card
Backup contacts, photos, and files to increase device memory or transfer to another device.
Save files to OneDrive and access them from any device, like your PC, tablet, or phone.
Block or unblock calls from your device.
Make & Receive a Video Call Using Skype
Make or receive a video call.
Turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.
Set up your device as a mobile hotspot and share your data connection with Wi-Fi-capable devices.
Near Field Communication (NFC)
Use NFC to share content such as photos and contacts between compatible devices.
View cellular network signal, turn international roaming or your mobile data connection on or off.
Add apps, shortcuts, & widgets to your start screen
Learn How to Clean Your Device
Get tips on the best way to keep your device clean.
Learn and 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.
Determine 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.
Create and respond to text (SMS) or picture (MMS) messages, add, save, and view received attachments and more.
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.
Transfer Media to & From a Computer
Transfer files to or from your device and a computer.
Find IMEI, Serial Number & Phone Number
View the device IMEI, phone, SIM (ICCID) and serial number.
Software update for the Microsoft Lumia 640 XL
Learn how to update the software of the Microsoft Lumia 640 XL
Access Usage Manager to view data usage, set data limits, and see the apps using the most data.
Change or Reset Voicemail Password
Reset a forgotten password or change an existing voicemail password.
Manage voicemail settings and security
Learn how to manage your voicemail, including recording a personal greeting and changing your password.
Fix common service and device problems.
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