Owners of the LG Optimus 2X rejoice! The much awaited Ice Cream Sandwich ( Android 4.0 ) update has finally began to roll out in Europe for the Optimus 2X after it was rumored several months back. In case you have no idea how to update your device, simply go to the LG update tool and press the ‘update’ button and it will be done.
Source : XDA Developers