Update using Nokia Suite
Step 1.To update your phone, you need Nokia Suite software on your computer.
Download Nokia Suite
Step 2.Connect your phone to your computer with a compatible USB cable.
Step 3.Start Nokia Suite, and select
Tools > Software updates. Then select the updates you want to download, and select
Install.
Before updating, use Nokia Suite to back up your phone, and you can be sure that your contacts, messages, calendar entries, tasks, web feeds, and other important stuff is backed up safely. The contents of your phone memory and memory card, such as photos and videos, are safe and won’t be affected during the update.