Article ID : SX698902 / Last Modified : 12/06/2019Print

Android 9 update for Xperia 1

    IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.


    • This system software update build number is Xperia® 1: 55.0.A.10.26

    • This system software update features the Android™ security patch level: October 1, 2019.


    Updating your device

    • When a software update is available, the new software icon appears in the status bar.

    Tip: To check the software version of your device:

    • Tap SettingsSystemAbout phoneBuild number.

    Download and update your device from the Notification panel

    1. If you are using a device with multiple users, make sure to log in as the owner.

    2. Drag the status bar downwards to open the Notification panel.

    3. Scroll down and select the wanted system update, tap the item and then tap UPDATE.

    4. When the download is finished, open the Notification panel again. If it is closed, tap RESTART.

    Note: Software updates are released at different times depending on your operator, market, region or country. We can't give you an exact date for the availability of the update for your device. Some network operators and specific markets may choose not to use the updates for specific models.