Lumia 720 and Lumia 520, both of them were revealed by @ evleaks twitter account
Nokia rumored to be launch cheap Windows Phone 8 Smartphone. To be sure, there is Lumia 620, but mentioned would be have cheaper priced than that model. And, the chances are Lumia 520 Smartphone.
Besides Lumia 520, Nokia is also rumored will launch Lumia 720 series, both of them were revealed by @ evleaks twitter account. From the appearance, the Lumia 720 looks similar to the Lumia 820. On the Windshield Side slightly curved, but with the sides and rear are made from plastic full.
Nokia Lumia 720 is seen equipped with a Carl Zeiss camera, the resolution is simply not known. The cell phone is also rumored will support via the dock charging function. But, unfortunately it seems not wireless charging.
Well, for the Lumia 520 model more similar to Nokia Lumia 505 only the front side of the glass is more flat. Bezel field on this cell phone look thicker. And the back side of the Smartphone shows an attractive casing color.
Not many others information can be extracted from the recently Nokia Lumia images. It also cannot be verified. So, we wait for further news about the Lumia 720 and Lumia 520.