With the way this phone was designed it falls short on its ability to mitigate heat. Due to the folding screen it is my opinion that insufficient insulation is the true culprit. As a resident of Arizona where the heat reaches offensive levels on a normal basis this phone Overheats at the mere pressure of recording a video, or answering a call, or even using google maps. This is an issue that I truly hope they find a remedy for, because without this critical flaw this phone is a marvelous creation.