OnlyNokia5800[dot]blogspot[dot]com will share contents about Nokia 5800Xm.
We include
1. Third parties Applications & Games
2. Themes (a collection of links and websites)
3. Latest information updates from Nokia
5. Sharing between users

Downloading files from this site is at your own risk. But, I will ensure everything is useful to you.
However, they are few applications that are needed to be signed at SymbianSigned, Don't know what is SymbianSigned? Instruction when signing?? HERE
To check firmware version or whether your phone is up to date for your region HERE

Nokia 5800 App review: Opera Mini

Posted by Isaac Wong Thursday, May 7, 2009

Nokia 5800 App review: Opera Mini

The most happening browser in the mobile community, Opera Mini with over 20 million users is now available for symbian 5th edition devices. The following review comes after testing Opera mini on Nokia 5800 for over 2 days and the first impression is nothing short of impressive.

Installation:

To begin with, let’s start from installation of Opera Mini on 5800. The installation process is so easy that it can be done directly from your phone. Just point your mobile browser to http://mini.opera.com and you are automatically directed to the appropriate download link: