Samsung's Galaxy S22 comes out on Wednesday, and as the first US phone with a Qualcomm Snapdragon X65 modem, it brings a few new 5G features that should especially excite AT&T users. Before we get to that, though, let's start with something that will make everyone happy. And everyone wants better reception, right? Improved phone reception is helpful for more than just preventing dropped calls. It improves your battery life, for instance, because your phone doesn't have to strain so hard to be "heard" by the towers. No matter what carrier you're on or where you live, better signal reception improves the mobile experience. Qualcomm put signal reception on the front burner with its X65 modem, the company said when it launched. A new signal-boosting algorithm changes radio power based on how you're holding the phone, improving battery life and optimizing reception. A new envelope tracker is 30% more power efficient than competitors, according to Qualcomm, and can improve both coverage...