The Nokia Lumia 520 was a budget Windows Phone 8 device that has been largely forgotten. Somebody got Android 7.1 Nougat up and running on a Nokia Lumia 520 Android 7.1 Nougat Running on Nokia Lumia 520 Windows Phone Nokia Lumia 520 became the best-selling Windows phone in 2013 now it has been largely forgotten. Nokia Lumia 520 was updated to WP 8.1 just after a year of its launch….