Overview
Conversation is a messaging application that allows you to follow your conversations, organized by individual contacts. In addition, the application provides an easy way for replying to messages, and to continue the conversations.
After installation, the application will appear in your device as an application shortcut, and as a new tab in your Contacts application.

Installation instructions
You have to install two separate files in the order specified below. Also, They recommend that you use the latest software available for your device.

Version for S60 3rd Edition
Compatibility: tested with Nokia N73. Works but not fully tested with Nokia E50, E60, E61, E61i, E62, E70, N71, N75, N77, N80, N91, N92, N93, N93i.
First, install Nokia Contacts Services Support Package to the device memory (not to the memory card)
1st (SIS, 17 KB)
Second, install Conversation application.
2nd (sisx, 111 KB)

Version for S60 3rd Editon Feature Pack 1
Compatibility: tested with Nokia N95 and 6290. Works but not fully tested with Nokia 5700 XpressMusic, Nokia 6110 Navigator, 6120 classic, 6121 classic, E90 Communicator, N76, N81, N81 8GB, N95 8GB.
First, install Nokia Contacts Services Support Package to the device memory (not to the memory card)
1st (SIS, 17 KB)
Second, install Conversation application.
2nd (sisx,111 KB)
Known issues: compatibility problems with E51 and E90 Communicator.