A decision framework for aging phones: what each repair costs against what the phone is worth, which faults are worth fixing, and when parts run out entirely.
A copy screen saves money once and costs more at resale. What breaks with aftermarket panels, how buyers detect them, and when a copy part is acceptable.
Liquid contact indicators, corrosion signs, and the delayed failures that appear months later. How to check a used phone for water exposure before you pay.
Phones don't die, they expire. The four clocks that end a phone's life, how long each brand realistically lasts, and which limit you'll actually hit first.