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About product and suppliers:
        Alibaba.com offers 14,792 quad core smartphone dual sim products. About 9% of these are mobile phones. 

A wide variety of quad core smartphone dual sim options are available to you, such as paid samples, free samples. 

There are 14,846 quad core smartphone dual sim suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and France, which supply 99%, 1%, and 1% of quad core smartphone dual sim respectively. 

Quad core smartphone dual sim products are most popular in South America, Western Europe, and North America. 

You can ensure product safety by selecting from certified suppliers, including 1,186 with Other, 315 with ISO9001, and 223 with ISO14001 certification.