Sony Xperia E C1504 / C1505 has reached end of life time and Sony has decided to end software support for that smartphone.
Sony Xperia E C1504 / C1505 has been announced in December 2012. Sony has not released any major firmware updates for that smartphone, only a few minor ones:
and the Android 4.1 Jelly Bean firmware is the latest one. Latest available software is 11.3.A.2.33. Don't worry, Sony Xperia E C1504 / C1505 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
