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Use this page to identify software versions for the Nokia Lumia 521 as well as details on recent software updates.

 

 

Identify the device's current software version

Windows Phone 8.1 / Firmware revision 3058.50000.1439.0042

  1. From the home screen, swipe left to Applications.
  2. Tap Settings.
  3. Tap About.
  4. Tap More Info.
  5. Read the Firmware revision number on the phone, and review the information in the Review software version details section below.

 

Windows Phone 8.0 / Firmware revision 3056.40000.1404.0034

  1. From the home screen, swipe left to Applications.
  2. Tap Settings.
  3. Tap About.
  4. Tap More Info.
  5. Read the Firmware revision number on the phone, and review the information in the Review software version details section below.

 

Review software version details

VERSION RELEASE DATE ENHANCEMENTS STATUS

Windows Phone 8.1

Firmware revision

3058.50000.1439.0042

November 3, 2014

Windows 8.1

Inflight texting support

Available November 3, 2014

If your device meets the update requirements, this update will be available to you to download.

Windows 8.0

Firmware revision

3056.4000.1404.0034

March 17, 2014

App Switcher
Screen rotation lock
User experience improvements

Available March 17, 2014

If your device meets the update requirements, this update will be available to you to download.

Windows 8.0

Firmware revision

1030.6409.1316.0016

May 20, 2013

Data Sense application
FM radio
User experience improvements

Available May 20, 2013

If your device meets the update requirements, this update will be available to you to download.

Windows 8.0

Firmware revision

1030.6409.1311.0011

April 27, 2013

Original software

Available April 27, 2013

This is the launch software version of the device. When a software update becomes available, this information will be updated.

Other versions

N/A

N/A

Your device has non-T-Mobile software, and it is unsupported. The manufacturer and T-Mobile cannot update your software.

 

Determine update requirements

Your device must meet the following requirements to update your software to the most current version:

  • 50% or higher battery life
  • Wi-Fi or data connection
  • 516 MB available memory (File size of update: 516 MB)

 

Update software versions

Update automatically over the air (OTA) for 3058.50000.1439.0042

This software update(s) will be available to your phone after November 4, 2014. Your phone will notify you when it is ready to update. Follow the on-screen prompts to complete the OTA update. Only the update to Firmware revision 3056.4000.1404.0034 (OS version 8.0.10532.166) will be pushed via OTA. To update to Windows Phone 8.1 / Firmware revision 3058.50000.1439.0042 you must manually check for updates from the phone once the first update is complete.

 

Update from a computer

If you have not already received the first update to Firmware revision 3056.4000.1404.0034 (OS version 8.0.10532.166) via OTA, you will need to complete this process twice if you wish to update to Windows Phone 8.1.

 

  1. Connect to a Wi-Fi data connection.
  2. From the Home screen, swipe left.
  3. Scroll to and tap Settings.
  4. Touch phone update.
  5. Touch check for updates.
  6. Follow on screen prompts.
  7. Wait as your phone restarts, updates, and restarts again.

 

Issues after updating

If you experience issues after updating to the latest software version, perform a master reset.

  1. Back up data on the internal memory.
  2. From the Start screen, touch the screen and slide left.
  3. Scroll to and tap Settings.
  4. Scroll to and tap about.
  5. Scroll down and tap reset your phone.
  6. Read the warning about your personal content being erased.
  7. Tap yes.
  8. Tap yes again to confirm.

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