1. Skulls138's Avatar
    I'm running the latest build of Windows 10 on production ring; 10586.137. I plugged in my Lumia out of curiosity, and got this:

    Currently: Firmware 02540.00019.15053.26003 and OS: 10586.13090

    Server: 02540.00019.15236.45004 and OS: 9651.14234

    Is this truly an update? I see the FW is higher, but the OS is lower. It sounds like to be up to date I'd have to update via WDRT and then update back to the production ring? I just fear losing all my personal data. Thanks!
    03-19-2016 07:24 PM
  2. pankaj981's Avatar
    The firmware was released in Jan as a pre WM10 update. The OS is still WP8.1 Update 1. You'll have to perform a clean install from WDRT to install it and then install the official WM10 build.
    03-19-2016 07:53 PM
  3. Skulls138's Avatar
    The firmware was released in Jan as a pre WM10 update. The OS is still WP8.1 Update 1. You'll have to perform a clean install from WDRT to install it and then install the official WM10 build.
    Ahh, okay! I wonder if it's worth resetting for. Any chance I can just update to it when the WDRT officially releases 10 for my device? Thank you. :)
    03-19-2016 08:01 PM
  4. pankaj981's Avatar
    Reach out to ambassador team lead RumoredNow. He did update his 1520.3 so he might be able to answer your specific questions. Regardless, firmware updates are always sweet :P
    03-19-2016 09:32 PM

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