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.