Author: Chris Risley

I’ve been using a Samsung Galaxy S21 Ultra for the past three years, and up until yesterday, it had served me well. But then, I woke up to a frustrating surprise—despite being plugged in all night, my phone was stuck at 12% battery. Even worse, a message on the screen read: "Charging halted because battery temperature is too low for safe charging." That was odd because my phone wasn't cold—it was around 70°F (21°C). I unplugged and replugged it, switched…