Opera Mini 4.0.4

Opera Mini 4.0.4 introduced a two-pane metaphor. You could see a bird’s-eye view of the entire desktop layout, then click a rectangle to zoom into that specific section. It gave feature phones a touch of smartphone sophistication.

Data Savings: By compressing images and text, Opera Mini 4.0.4 saved users significant money on data plans, which were extremely expensive at the time. opera mini 4.0.4

Even in 2008, Opera Mini 4.0.4 took security seriously. All traffic between the phone and Opera’s proxy servers was compressed but also could be encrypted using HTTPS end-to-end. The server-to-web connection was fully secure. For banking sites, Opera Mini 4.0.4 would show a padlock icon and warn users if certificates mismatched—something extremely advanced for a Java app. Opera Mini 4

Opera Link: This version allowed users to synchronize their bookmarks and speed dial settings between their mobile phones and their desktop computers. Data Savings: By compressing images and text, Opera Mini 4

It introduced the ability to view web pages as they would appear on a desktop, rather than just a stripped-down mobile version [10]. Virtual Mouse:

The secret sauce of Opera Mini 4.0.4 was its architecture. Unlike modern browsers that render code locally on your phone, Opera Mini utilized a proxy server. When you typed a URL, the request went to Opera’s servers. Their servers downloaded the page, compressed it by up to 90%, and sent a compressed binary file back to the phone.