Brand, network service providers, the first brand that respondent is AIS because the network already. Why use this network because they believe the network contract 4 G pictures and best cover, many regions across the country. They use this network was at least five years does not change to another network because they think the network is being used this time well and to the provinces. What don't you like about your current network is the price of the service is relatively expensive. What you want to make more, and I cooked is a matter of price.
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