So you bought a Samsung smartphone through your carrier, and now you’re trying to, as Freddie Mercury sang, “Break free.” There’s a way to do so without too much of a headache, though it’s all ...

Samsung’s latest phones — the Galaxy S10 and S10+ as well as the Note 10 and 10+ — were designed with an extra secure ultrasonic fingerprint sensor. These phones use ultrasonic sound to make a 3D ...