A Multitude of unreleased Windows Phone 8.1 devices including Nokia Lumia and Lenovo show up on AdDuplex

In its latest blog, AdDuplex has released data which shows that there is a multitude of Windows phone 8.1 devices currently in circuit. Many of the handsets have already been announced, but some are as yet unreleased.
Top among them is the Microsoft Nokia Lumia series RM-983, RN-984 and RM-985....
A Multitude of unreleased Windows Phone 8.1 devices including Nokia Lumia and Lenovo show up on AdDuplex