Nokia has for its mobile phones of the type E51 new firmware released with version number 400.34.011. This update can be downloaded as usual using the Nokia Software Updater and then pumped to the mobile phone. The update can also be obtained by entering a Nokia Service Point. The accompanying list of changes shows a number of improvements for Mail For Exchange and VoIP, among others. The announcement of this release looks like this:
Nokia E51 software version 400.34.011 released
This software release brings improvements and increased stability in Mail for Exchange, SMS reception improvements and stability and usability improvements for VoIP and WLAN. The release also includes robustness improvements when pressing the Home key.