Software update: Sony Xperia Z

    Learn how to check the software version and see official versions for the Sony Xperia Z. Find out more on this page:


    Beginning June 2, the Xperia Z received a software update to 10.4.C.0.814. This update provides features and improvements

    New Features


    • New user interface improvements
    • Music Unlimited application has been moved to the Walkman application
    • Play Memories application has been moved to Album application.


    Software version

    Software update: Automatic (OTA)

    Software update: Download



    Software version

    Check the software version

    To check the current software version, follow these steps:


    1. From any Home screen, tap Applications.
    2. Tap Settings.
    3. Tap About phone.
    4. View the Build Number.
    5. Read the version on the phone, and check it below:


    Software versionStatus


    Your software is up to date. There are no updates available.


    This document will be updated if and when new software is available.




    Your phone can update to software version 10.4.C.0.814:

    Other versions

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



    Requirements to update

    To be able to update to the current software version, the below requirements must be met:

    • 50% or higher battery life
    • Data connection
    • 315 MB available memory (File size of update: 312 MB)


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    Software update: Automatic (OTA)

    Update automatically Over-The-Air (OTA)

    This software update will be pushed to your phone between June 2 and June 23. Your phone will notify you when it is ready to update. If your phone has not received an OTA message, see Software update: Download below.


    After receiving the OTA notification, follow these steps:


    1. From the main Home screen, drag down the notification bar.
    2. Once connected to Wi-Fi, the download will begin.
    3. Tap on the download to open the Update Center.
    4. When the download has completed, tap Ok to begin the update.
    5. Device will reboot and install the latest update



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    Software update: Download

    Download and install software update

    You can download and install the software update:

    From the phone

    From a computer



    Update software from the phone

    To check for updates and download the update from the [OEM] servers, follow these steps:


    1. From any Home screen, tap Applications.
    2. Tap Settings.
    3. Tap About phone.
    4. Tap Software update.
    5. The device will automatically check for an update.
    6. If an update is available, tap on the X to the right of the software update.
    7. Tap the down arrow to download the software update.
    8. If prompted, connect to a Wi-Fi network.
    9. Wait for the download to complete.
    10. Select the install arrow that points to the right.
    11. Select Install.
    12. The device will reboot and install the software update.
    13. Click OK on the software installation confirmation screen.



    Update software from a computer

    To download updates for your phone and install them using a computer, follow these steps:


    1. Install the Sony PC Companion software from
    2. Connect your Xperia Z to the computer with the USB Cable.
    3. If it doesn't happen automatically, open the PC Companion software.
    4. Under Support Zone, click Start.
    5. Click Phone Software Update.
    6. The software update wizard opens and guides you through the update process.



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