Complex sentence: The Xperia sola was released with Android 2.3 (Gingerbread), but has received an update to Android 4.0.4 (Ice Cream Sandwich) on 28th September, 2012.
Split into simpler sentences: The Xperia sola was released with Android 2.3 (Gingerbread). It has received an update to Android 4.0.4 (Ice Cream Sandwich) on 28th September, 2012.