LG introduces a new edition of the LG Optimus 7 with the new Windows Phone OS 7.5 Mango. The obvious name for the new smartphone is LG Optimus 7.5. The LG Optimus 7.5 is not yet available. Do you know when the first LG Optimus 7.5 for sale? Sign up below for our free reminder service! Please send me the weekly newsletter November 3, 2011 – For the original LG Optimus 7 is an update to Windows Phone 7.5 Mango available via Zune software you install on your PC or Mac. Drawback is that this update supports the Dutch language, the language of the original operating system continues to