Samsung M300 mobile phone works in three areas of cellular waves, so that we will not have a problem with the hunt area. It is very important, because communication between subscribers is practically the foundation and substance of the phone. It is therefore quite good. Unfortunately, as usual-can not be perfect. The battery mounted in the mobile phone Samsung M300 works sometimes no more than average. Customer reviews on the Internet are divided, as it sometimes happens that the battery must withstand as much as (or around 3 hours talk)-unfortunately, these are only a few exceptions. Typically, even the battery in a well-formatted Samsungu M300 withstand only 12 hours, pending a few minutes during the intensive use of the camera-for example, during the conversation. This is really inconvenient and frustrating, we desire to continue receiving service. Fortunately, not everything has to offer us the Samsung M300 mobile phone, so move on.