The Nokia Lumia 1520 is being used by some individuals, with one person finding that using a Windows Phone, potentially the Lumia 1520, was a better experience than expected. There are also reviews and discussions about other Nokia models, such as the Lumia Icon and Lumia 900, as well as the operating system Windows Phone 8.1. It is unclear how these other models and the operating system relate to the person's experience with the Lumia 1520.