You can visit this site for check new Rom of all device lenovo mobiles.
http://lenovo-forums.ru/talks/
Devices: Lenovo Ideaphone K900, P780, S920, S820, A850, A706, A390, IdeaPhone K, IdeaPhone P, IdeaPhone S, IdeaPhone A
http://lenovo-forums.ru/talks/
Devices: Lenovo Ideaphone K900, P780, S920, S820, A850, A706, A390, IdeaPhone K, IdeaPhone P, IdeaPhone S, IdeaPhone A