Budget Lumias are still dominating Windows phone sales worldwide, according to figures released by AdDuplex.
The company samples statistics from apps using its advert distribution service.
The biggest seller - with 23.2% share is the Lumia 520, which was the cheapest Lumia device on sale when the sample was taken on February 19, 2015.
AdDuplex also analysed data from so-far unidentified smartphones running Windows Phone OS.
This gives an indication of what devices are out there being tested.
(Source: AdDuplex)
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