WiFi and Bluetooth certification entries for Lumia 520 and Lumia 720 reveal Four variants of Lumia 520 and Two variants of Lumia 720.

Lumia 520 will come as RM-914.

Lumia 521 for T-Mobile is RM-917.

Lumia 520T for China Mobile is  RM-913.

Lumia 520.2 is coming to Australia, North America, South America as RM-915.



Lumia 720 global variant is RM-885.

The China Mobile specific variant Lumia 720T is RM-887 which we found earlier from “Occasional Gamer” data as well.

From the certification it seems Lumia 520 will see a full global release while Lumia 720 still is doubtful for North America at least !!

Source 1  2 3