The 5G User's Guide: The Next Generation Revealed contains the essential information we all need in order to start using 5G. This guide presents the principles of the 5G mobile devices and networks, and gives practical guidelines for selecting, setting up, and using mobile phones and services. The fifth generation of mobile communications is about to take off and it will be the big thing throughout 2020s. While the new 5G networks are being deployed and evolve, this guide works as a survival kit for the ones wanting to know more about the practical aspects of the new era. It serves to take full advantage of the system that outperforms all the previous generations. Summarizing the new generation in non-technical terms, and including plenty of real-world examples and instructions, this guide is designed to accompany us users throughout the whole lifecycle of 5G. The 5G User's Guide demystifies the following themes: What 5G is? What Makes the 5G "Real"? Building Blocks of 5G How to Select the 5G Device? How to Select the 5G Operator? How to Set Up the 5G Phone? How to Use 5G Services? What Added Value 5G Offers? How Consumers Benefit From 5G? How the 5G Network Functions? Is 5G Sufficiently Well Protected? How to Make Business Out of 5G? Is 5G Harmful for Us Users? Frequently Asked Questions While this 5G User's Guide gives practical instructions, the interested ones can find more details about the new system from my 5G Simplified: ABCs of Advanced Mobile Communications book (also in Spanish, titled 5G simplificado), which gives an easy technical overview about the new generation, and the 5G Explained book, which is designed for mobile telecom professionals wanting to update their knowledge more thoroughly.