Introduction

The Samsung Galaxy S22, S22+, and S22 Ultra are powerful smartphones, among the most powerful mobile phones ever sold. As of the publication of this book, the Galaxy S22s are the standard against which all other Android-based phones are measured.

Each cellular carrier offers a slightly customized version of the Galaxy S22 lineup. Some phones from cellular carriers come out of the box with preloaded applications, games, or files. This book doesn’t dwell on these kinds of differences.

The name for each network is different, these phones are largely the same. (At least one marketing person at each cellular carrier is cringing as you read this.) This similarity allows me to write this book in a way that covers the common capabilities.

At a more core level, these phones are built for high-speed wireless communications, in particular the 5G networks you’re seeing in ads. The cellular carriers have spent kajillions upgrading their networks to offer more coverage and better data speeds than their competition. Again, this book doesn’t dwell on these differences in network technology because they don’t really make much difference in ways that you can see in a book. (Again, at least one engineering person at each cellular carrier is cringing as you read this.)

Similarly, most of the capabilities among the different Galaxy S22 models are similar. The S22+ has a bigger screen and a bigger battery than the S22. Similarly, the S22 Ultra has a bigger screen with higher resolution, ...

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