From education to research the attitudes of high school students 5 years in school in a machine word khanathon lamphun found that students in high school 5 years machine a khanathon lamphun was the attitude that the phone has a warranty item.In the current case because the teen services rarely maintain their own much property. Items that are guaranteed to exceed by a careless user, for example, do Western brands tasueam condition will often have the warranty must be in the range of the length of time for which warranty insurance is another option that makes the most of the selected version. The second attitude is to use a phone that has a shape that is easy to carry, because the majority of teens don't carry things that are secondary to another is to use the phone with wifi support 3G 4G and 3G 4G in this era, and the wifi is very important เพื.Achai in trace data Keep track of the news and to communicate through various secondary APPI vacation into another is to use a phone that has a reasonable price compared to the quality of this phone, because it has a relatively high price, which exceeded the rates are compared with the quality of the phone, so we should choose a good quality phone, and again the ability to buy.