I bought lg optimus 7 recently, not officially launched in india, but I got an unlocked one.So obviously I cannot update the firmware, but i updated wp7 to mango and it's really cool.It's damn fast and iphone interface seems dull in front of metro UI. Sure I will get nokia lumia 710(800 is expensive), to get more of wp7 mango. Really in love with wp7, so I support Elop decision now to go with MS . Finally I got a choice between IOS and android