Sony today released ICS update for its Sony Xperia Mini Pro for all users. Update will bring features like improved UI and and features with some Apps. You will need to have the proprietary PC Companion software installed beforehand prior to accessing this operating system update. You have to check your SI number from backside of phone by removing battery. Afterwards, check your SI number at this link. If it is, you can officially say hello to Android 4.0.
So check out if you own Sony Xperia Mini Pro.