How to Run Diagnostics Tests on Your Smartphone

If you’ve never run a diagnostics test on your own smartphone, it’s worth doing—especially as your phone starts to show its age, or if you purchased a “new” smartphone secondhand and want to get a feel for its condition.
Read more: https://lifehacker.com/how-to-run-diagnostics-tests-on-your-smartphone-1834010973?source=Snapzu