The 7 Plus also outsold the third-best selling smartphone, Oppo's R9s, which sold 8.9 million units. Oppo is a pretty popular brand in China and India, but it is "largely unknown in the Western world", the research firm said.
New data from Kantar Worldpanel ComTech shows that smartphone vendors are reacting to saturated markets in the West by turning more aggressively to developing regions as sources of new revenue.
"The first quarter of 2017 produced the lowest iOS share in China since the second quarter of 2014 with 12.4 percent of smartphone sales".
Apple sold 21.5 million units in Q1 2017 capturing a total market share of 6.1 percent.
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The company's announcement means that customers will no longer have to spin up VMs to run and operate the likes of PostgreSQL . That industry has been plagued by the issue of improving infrastructure in areas where there is little or no connectivity.
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Perhaps the most significant target thus far has been Britain's National Health Service , that nation's main healthcare apparatus. The IT systems of NHS sites were reportedly bombarded by pop-up messages demanding a ransom in order to gain access.
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While global iPhone unit sales were down marginally year on year, the company had plenty to cheer about its performance in India. OPPO is largely unknown in the Western world, but its brand is wildly popular in China and growing rapidly across India.
The other rankings are No 2-Apple iPhone 7 Plus (17.4 million), No 3-Oppo R9S (8.9 million), Samsung Galaxy J3 (2016) (3 million), Samsung Galaxy J5 (2016) (5 million).
The report announcement notes that this launch trend history is helpful to e-commerce and advertising websites, who rely on mobile optimization to display their products and services accurately and within seconds to customers across all devices. The handset is, however, physically attractive after modelling itself on the iPhone - a feature that may be alluring for aspirational consumers in the Chinese market, where Apple has luxury brand cachet.
Being Samsung's main competition in the flagship smartphone business in the US, the latest word on the street claims that Apple's iPhone 8, which should be released in September or October this year, will also follow the same path and ship with a free pair of wireless Airpods.
Apart from the two iPhones, the third spot was taken by Oppo's R9s. It was also the world's third most popular smartphone model after Apple's iPhone 7 and iPhone 7 Plus, which together shipped almost 40 million units during the three-month period. In order to boost sales and increase revenues, companies are increasingly turning towards India, which is now the second biggest smartphone market in the world behind China.
Oppo, in particular, saw stunning growth, with sales up a whopping 81 percent, while Vivo and Huawei followed suit with growth of 60 percent and 25 percent, respectively.