Alexandra is an associate editor on CNET's Performance Optimization team. She graduated from Marymount Manhattan College in New York City, and interned with CNET's Tech and News teams while in school.

Ryan is a tech/science writer, skeptic, lover of all things electronic, and Android fan. In his spare time he reads golden-age sci-fi and sleeps, but rarely at the same time. His wife tolerates him as ...

This post shows how to clear app cache and data on the new Galaxy S21. Read on if you need help deleting all temporary files and residual data from a certain app, particularly the ones that are ...