Nokia Lumia 800

Install Zune

Go to www.zune.com on your computer.
Find the download section on the web page to download Zune.
Download and install Zune on your computer.

Connect phone and computer

Press the left side of the cover at the top of your phone to open it.

Connect phone and computer

Connect the data cable to the phone socket at the top of your phone and to your computer's USB port.

Connect phone and computer

Start the program Zune on your computer.

Update the phone software

Depending on your settings in Zune, the program may suggest to update your phone automatically.

Update the phone software

To start the update manually:
Select SETTINGS at the top of the display.

Update the phone software

Select UPDATE on the left side of the screen.
Follow the instructions on the display to update your phone's software.