: A Microsoft account is essential for backing up data, accessing OneDrive , and downloading apps from the Store . Hardware Buttons : Power/Lock : Located on the side to lock/unlock the screen.
: Press to return to the previous screen; press and hold to open the multitasking view . Start Key : Returns you to the main home screen.
: Launches Bing (or Cortana if updated to 8.1) for web and local searches.
: Many models (like the Lumia 820 or 830) feature removable back covers for inserting the micro-SIM and an optional microSD card to expand storage. 2. Core User Interface: Start Screen & Navigation Windows Phone 8.1 walkthrough (Nokia Lumia 1020 update)
: Power the phone on by pressing the Power key until it vibrates. The device will guide you through network connections and Microsoft account setup.
