Auf aikon hab ich den Changelog entdeckt:
Firmwareänderungen zwischen 4.0707.0.7 und 5.0719.0.2 (SB-048/28.06.07)
Messaging
* Correction for SMS receiving problems
* Correction for received SMS timestamps
* General stability improvements for Messaging application
* Fix for Freemail email download
WLAN
* Correction for using WLAN wizard from Active Standby in encrypted networks. WLAN wizard help localisation corrections.
* Correction for VoIP call when in edge of WLAN coverage
Diverses
* Correction for USSD commands
* Fix for voice activated dialling and contact name playback
* Fixes for forwarding DRM protected content
* Fix for Multimedia key customization