Sony Xperia E dual C1604 / C1605 has reached end of life time and Sony has decided to end software support for that smartphone.
Sony Xperia E dual C1604 / C1605 has been announced in December 2012. Sony has released one major firmware update for that smartphone:
and the Android 4.1 Jelly Bean firmware is the latest one. Latest available software is 11.3.A.3.1. Don't worry, Sony Xperia E dual C1604 / C1605 just like most of Sony Ericsson / Sony phones is still supported in our Sony Ericsson Online Service and all firmware versions for that smartphone are available 
Source: Sony
