Opera Mini was first released in 2005 as a web browser for mobile phones, with the ability to load full websites by sending most of the work to an external server. It was a massive hit, but it started to fade out of relevance once smartphones entered mainstream use.Opera Mini still exists today as a web browser for iPhone and Android—it's now just a tweaked version of the regular Opera mobile browser, and you shouldn't use Opera browsers. However, the original Java ME-based version is still func...