Use this page to identify software versions for the Microsoft Lumia 640 as well as details on recent software updates.
Identify the device's current software version
Windows Phone version 8.1 / Software version 02177.00000.15203.26115
- From the home screen, swipe left to Applications.
- Tap Settings.
- Tap About.
- Tap More Info.
- Review the information in the Review software version details section below.
Review software version details
Windows Phone version 8.1
Software version 02177.00000.15203.26115
May 3, 2015
Your software is up to date. There are no updates available.
Your phone has non-T-Mobile software, and it is unsupported. The manufacturer and T-Mobile cannot update your software.