A Flagship Mobile Handset of a company decides the fate of other SmartPhone Models in Emerging Markets like India and China. For example, the Samsung Galaxy S3, no doubt an expensive phone for the Indian Mass market, yet it captures the mindset of Mobile Phone Shoppers and they tend to choose a Phone model from the same company in the price range that suits them.
Here is the Chart that shows the Flagship or the Most Popular SmartPhones in china in 2012