Software update for the Nokia Lumia 820

Software update for the Nokia Lumia 820

Latest update
Getting started
Update & verify software
Previous updates

Latest update

  • What's new: Update to Windows Phone 8.1
  • What's changing: Updates OS version to 8.10.12393.890 and Firmware revision number to 3051.50009.1425.2001


  • Release date: September 4, 2014
  • Windows version: 8.10.12393.890
  • Software version: 3051.50009.1425.2001
  • File size: 450MB


Getting started

  1. You can download the update via Firmware Over the Air (FOTA). 
  2. You must connect your device to Wi-Fi to download the update.
  3. Although there should be no impacts to settings or data, we recommend that you back up your media files to a PC prior to upgrading the software.

Windows Phone 8.1 includes
  • Cortana - A voice-activated digital assistant.
  • Customizable start screen - Transparent Live Tiles allow users to set a background image that can be seen through clear Live Tiles.
  • One Windows - Unified Windows PC and tablet experiences that include:
    • OneDrive (formerly SkyDrive) offers 15GB of free cloud storage, and appears as an app on the start screen.
    • Skype appears as an app on the start screen, and a phone dialer button to convert voice calls to video calls.
    • Bing allows users to search and identify songs with Bing Music, and track local happenings with Local Scout.
    • With MS Office, users can view, edit, and share Word, Excel, and PowerPoint documents, then store them in OneDrive to be retrieved on any Windows platform when they are linked to a Microsoft account.
  • Xbox - Entertainment options wherever users go:
    • Xbox Live - Users can stay connected to gaming achievements and multiplayer action.
    • Xbox Music/Video - With a Microsoft account, users can share music and video content across all screens including phones, tablets, and PCs.
  • Efficiency - Windows Phone is optimized to help the user do more:
    • Customizable Action Center - Quick access to settings and notifications by swiping down from top of the screen.
    • Word Flow Keyboard - Touch, type, or glide finger over the keyboard for fast and intuitive typing.
    • Battery Saver - Optimizes battery life on an app-by-app basis.
    • Data Sense - Allows user to track data usage by type (cellular/Wi-Fi).
    • Storage Sense - Shift files/apps from phone memory to SD card.
    • Wi-Fi Sense - Set to default Off on AT&T devices; allows auto-connection to Wi-Fi networks.
  • Internet Explorer 11 - Introduces private browsing and reading mode.
  • Custom volume settings - Adjust volume individually for phone, ringers, and alerts.
  • Device Search - Easily find e-mails, SMS, and files by name.
  • Accessibility improvements for the visually impaired.
  • Office Remote - Display content on a larger monitor via USB cable or using Miracast technology.

Update & verify software

To update the software
  1. Make sure your device is sufficiently charged and connected to Wi-Fi.
  2. Tap Settings > Phone update > Check for update.
  3. Follow the on-screen prompts to download and install the update.

To verify the update
  1. Tap Settings > About > More info.
  2. The device has the latest software if the OS version and Firmware revision number match the current update details.

Previous updates

Oct. 10, 2013 
  • What’s new: LTE Bands 2 & 5 support, FM radio support (with a wired headset). Google Contacts (CardDav) and Calendar (CalDav) sync support, HTML5 audio support, and Nokia Storage Check application added
  • What’s changing: Additional enhancements have been made to Camera, Wi-Fi, MMS, Bluetooth, and voicemail
  • OS version: 8.0.10328.78 
  • Firmware revision number: 3046.0001.1326.0003
  • File size: 205MB 

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