Following the release of Windows Phone 8 devices throughout the duration of this month, Microsoft will supposedly release Windows Phone 7.8.
According to a now-removed post on Facebook by the Italian Windows Phone division, Windows Phone 7.8 will release shortly after Windows Phone 8 devices go on sale in November.
Several upgrades to the mobile operating system confirmed that a "new Start screen" will be included, as will services such as Xbox Music and SmartGlass.
"The upgrade to 7.8 will be available for versions 7.0 and 7.5 shortly after the marketing of the devices Windows Phone 8," said the post. "Among the features there is the new Start screen, the sharing of the calendar using the function Club and access to key services and content Microsoft, including Xbox Music Store library that can be enjoyed by Zune and Xbox SmartGlass."
As is the case with the majority of mobile software upgrades, the exact release date of when existing Windows Phone 7 devices will be able to download the update will depend on your network, as well as the manufacturer who created the handset.