This document discusses the evolution of mobile phone communication technologies from 1G to 5G. It provides details on the key features and drawbacks of each generation of technology. 1G introduced analog mobile phones and voice calls within countries. 2G digitalized signals and enabled text messaging. 3G brought higher speeds and smart phones with web and multimedia. 4G increased speeds to 100Mbps-1Gbps for mobile internet. 5G will provide the fastest speeds yet and complete wireless communication with almost no limitations.