Opera Mini is a fast and tiny Web browser, that allows you to access the full Internet on your phone. Take all your favorite Web sites and download images, MP3's on the go with Opera Mini!
New features in version 3.0 include:

• -- RSS feed aggregation: You can now keep track of news and information from your favorite websites by adding the feed to Opera Mini.
• -- Content folding: Opera Mini identifies menu items in a web site and folds them, giving quicker access to the relevant content and reducing clutter.
• -- Picture upload: You can upload pictures taken from the phone camera to your web album or blog in seconds!.
• -- SSL:Client security has been added to Opera Mini, removing the warning message used today for secure sites.

Opera Mini uses a remote server to pre-process Web pages before sending them to your phone. Web content is optimized for your device, ensuring fast browsing and a great user experience.
Opera Mini offers the same speed and usability as the renowned Opera mobile browser, and uses Opera's Small Screen Rendering technology to provide access to the Web. It has all the features expected of a browser, and more, such as content download, skinning, bookmarks, browsing history. In addition, Opera Mini recognizes your phone and optimizes Web pages accordingly to provide faster browsing.
This download file contains both MIDP1 basic and MIDP2 advanced versions. If you are unsure which one to install please visit the following link with your phone's WAP browser, and you will receive the right version. - http://mini.opera.com/

FAQ
How to download the content from SMS?
How to transfer the content from PC to phone?