Skip to Primary Navigation
Skip to Content
Skip to Footer
Help
>
Device guides
Search suggestions will appear below the field as you type
Device guides for
Microsoft Lumia 640
Most searched guides
Installing YouTube on my mobile phone
Connecting my mobile phone to Wi-Fi network
Using my mobile phone camera
Turning Bluetooth on my mobile phone on or off
Choose another device
Getting started
Basic functions
Calls and contacts
Messaging
Office and leisure
Connectivity
Global online services
Troubleshooting
Specifications
Making a call with my mobile phone
Close
Follow these easy instructions to make a call.