Sony Xperia S to learn its fate this month about update to Android 4.121
Sony has also already announced that Sony Xperia models launched in 2011 will not be receiving Android 4.1. The Sony Xperia S was launched in the first quarter of this year, easily counting as a 2012 Xperia device, While the handset, which features a unique translucent stripe near the bottom of the phone, was launched with Gingerbread, it was updated to Android 4.0 on June 21st.
Will the Sony Xperia S receive Android 4.1 with Project Butter and Google Now? We should know within the next two weeks.
source: Sony, XperiaBlog via AndroidCentral