Today Opera released an update for their Opera Mini mobile web browser. Opera Mini 5.1 brings better memory management, new optimized skin with support for multiple pages and overall performance improvement.
Opera Mini 5.1 is recommended for all S40 users which have limited system memory. It should be able to cure the out-of-memory problem, which often plagued those devices. Handsets with small screen (2-inches or less) will greatly appreciate the new version and its interface.
Opera Mini 5.1 comes with new skin supporting multiple pages at the same time and improved overall performance (page scrolling, reloading and loading).
As you can see the new 5.1 update is crucial to the feature phones, but smartphones might also benefit from it (especially the ones with limited resources.
It's compatible with more than 3000 phones and is available for download right now. Just go to m.opera.com with your phone.