If you thought the Nokia Lumia 520 was good, boy are you going to have a great time with the Nokia Lumia 521. Essentially the same device as you’ll be getting internationally, this T-Mobile iteration of the entry-level Windows Phone 8 device brings the same package (with slightly different radio connections and a few extra apps) to the USA, here with the same bright white back cover as we saw across the sea (one of three, as it were).

Hardware

With the Nokia Lumia 521 you’re rolling with a 4-inch display (running at WVGA) which, if you’re using anything sharper at the moment, will be just a bit more pixely than you’ll want to live with. This machine is, instead, made for those users upgrading from feature phones – and it’ll do a fine job of it.
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https://www.slashgear.com/nokia-lumia-521-review-06288960/