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About product and suppliers:
        Alibaba.com offers 38,436 smartphone dual sim products. About 9% of these are mobile phones, 1% are mobile phone sim cards. 

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

There are 38,429 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 smartphone dual sim respectively. 

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 2,008 with Other, 1,048 with ISO9001, and 385 with ISO14001 certification.