1. Ariel Aouizerate's Avatar
    Can someone give me a guide to that ?
    By the way is it erasing everything ?
    01-05-2014 02:11 PM
  2. Nokia Boy's Avatar
    i think it's not officialy released for lumia 520 yet but you can try the GDR3 Developer OS Preview
    A few notes first:
    There are a few key items that you must understand before you update your phone:

    After you install a preview update, you may void any warranty from your mobile operator and OEM.
    A preview update only includes the Microsoft portion of the update; mobile operator and OEM driver updates will be available when the official update for your phone is available.
    You cannot revert or return to a prior operating system release version after you have updated your phone to a preview update. We will move you forward to a "released state," but we cannot take you back to a prior "released state."
    Step 1.Get an app studio account: Windows Phone App Studio | Microsoft use the same email as you used for your phone....
    Step 2:after you make an app studio account, access that link from your phone and download the app: Preview for Developers | Windows Phone Apps+Games Store (United States)
    Step 3 After it get installed,open it and login with your account and enable Developer preview updates
    Step 4 Go to options and check for update,voila...now you can download and install GDR3 update preview
    01-05-2014 02:26 PM

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