Sony Mobile announced its initial round of upgrades to Android ICS 4.0 for Xperia 2011 smartphones starting April 13th 2012. Xperia users in Sweden, Denmark, Iceland, Finland and Norway would be the first ones to receive the upgrade. The Xperia arc S, Xperia neo V and Xperia ray get an uplift to Android Ice Cream Sandwich, followed by other Xperia devices. The upgrade would be not delivered over-the-air and would need Sony’s PC Companion or Bridge for Mac software to start the process on either Windows or Mac OS’s. The update package will be pushed over the next four to six weeks, with its gradual release across global markets. Information on worldwide upgrade schedule is yet to be out and would be shared as and when the update rolls out.
Following the aforesaid phones, the Xperia arc, Xperia PLAY, Xperia neo, Xperia mini, Xperia mini pro, Xperia pro, Xperia active and Sony Ericsson Live with Walkman would get the updated to Android ICS 4.0 by end of May or early June.
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via Sony Mobile Blog