Android continues to up its lead over Apple's iOS, according to the latest Mobile Mix report from ad network Millennial Media.
Google's OS captured 61 percent of all ad impressions on the mobile ad network in July, a healthy gain from 54 percent the prior month. On the flip side, Apple's iOS lost some share last month, dropping to 21 percent of all impressions from 26 percent. Android has held onto its leading spot for the past eight months since overtaking iOS .
That left Research in Motion's BlackBerry with 14 percent of all impressions, followed by Nokia's Symbian and Microsoft's Windows Mobile, each with 2 percent.
Looking strictly at the device makers, Apple retained its solid lead with a 26 percent share of all ad impressions (iPhone, iPad, and iPod Touch combined). As usual, the iPhone itself was No. 1 among the top 20 mobile phones tracked by Millennial Media with a 13.6 percent share.
For the sixth month in a row, Samsung took second place, grabbing more than 19 percent of all impressions, up from 17 percent in June. The company'sphone trailed the iPhone on the top 20 list with a 5.7 percent share.
Among other device makers, RIM was in third place with 11.5 percent of impressions, while its BlackBerry Curve also took the third-highest spot among the top 20 phones with a 5 percent share.
Among all devices tracked by Millennial Media in July, 68 percent were smartphones, 16 percent were feature phones, and 16 percent were connected devices, such as the iPod Touch, the iPad and other tablets, and portable gaming consoles.
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