Software version: T-Mobile Prism II

    Learn how to check the software version and update the T-Mobile Prism II. Find out more on this page:


    Understanding the software version

    How tos



    Understanding the software version

    Beginning February 16, the T-Mobile Prism II received a software update to U8686V100R001C85B190 This update provides security improvements.


    Check the software version


    Android version 4.1 / Build number U8686V100R001C85B190 - Current version



    • Android version 4.1.1 / Build number U8686V100R001C85B190
    • Improvements: Messaging security improvements
    • Approved 2/16/16




    • Security improvements

    Android version 4.1 / Build number U6868V100R001C85B177_B188 - Previous version

    Android version 4.1 / Build number U6868V100R001C85B177 - Previous Version


    How to's

    Check software version

    To check the current software version, follow these steps:


    1. From any Home screen, tap the Menu key.
    2. Tap System settings.
    3. If necessary, tap the All tab.
    4. Scroll to 'SYSTEM,' and tap About phone.
    5. Review the build number information.