Microsoft Lumia 535 is the most widely used Windows Phone globally

AdDuplex is a company that helps Windows Phone developers cross-promote their apps for free. With more than 30 million ads served daily, AdDuplex is in a position to reveal plenty of data related to Windows Phone. For example, according to AdDuplex, handsets running Windows Phone 8.1 have a massive 73.8% share of the platform. Windows 10 Mobile powered phones make up 20.9% of Windows Phone devices currently in use, leaving Windows Phone 8 (7.1%) and Windows Phone 7.x (1.2%) to fill out the rest of the list.

So which Windows Phone is the most widely used model at this time? With 13% of the ...