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We go over the many reasons why the OPPO R-series has now become the world's most popular series of smartphones.

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OPPO R-series: Meet the world's most popular smartphone series

OPPO R-Series: Meet The World's Most Popular Smartphone Series

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Oppo R Series - External Reviews

Top 10 Mobile Brands in the World 2023 - Global Brands Magazine

Is OPPO R Series the brand's best selling smartphone line?

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