We have a very sad news for Sony Xperia M dual owners because Sony Xperia M dual C2004 / C2005 has reached end of life time and Sony has decided to end software support for that smartphone.
Sony Xperia M dual C2004 / C2005 has been announced in June 2013 and Sony has released one major firmware update for that smartphone:
XperiaMDualAndroid.jpg 32.75K
0 downloads
and the Android 4.3 Jelly Bean firmware is the latest one. Latest available software is: 15.5.A.1.5. Don't worry, Sony Xperia M dual C2004 / C2005 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
