Microsoft Lumia 640
Read help info
You can see which software version is installed on your phone. If you don't have the newest software version, you can update the phone software.
1. Find "more information"
Slide your finger down the display starting from the top edge of your phone.
Press ALL SETTINGS.
Press ALL SETTINGS.
Press about.
Press more information.
2. View software version
Your phone's software version is displayed next to OS version.
3. Return to the home screen
Press the home icon to return to the home screen.
Email this article to your friend
Required information *