There was a golden era for mobile browsing—roughly 2008 to 2015—when data plans cost a fortune, 2G was the norm, and every byte counted. If you were a teen with a Java-based feature phone back then, you probably heard the urban legend: “Download this modified Opera Mini handler, and you’ll get 100% free internet.”
But looking back, it was less "free internet" and more "borrowed internet with extra steps." opera mini handler free internet
The only thing it will handle is stealing your data. There was a golden era for mobile browsing—roughly