Sony has officially started pushing out 15.5.A.1.5 Android 4.3 Jelly Bean firmware for its Xperia M Dual (C2004/C2005) in India and Brazil, bumping its firmware version from 15.5.A.0.18 to 15.5.A.1.5. You can get this firmware update either as an OTA update or manually by downloading the FTF using the links given below and then flashing it through Flash Tool.
Well, even though there’s no detailed changelog regarding this update, this update officially comes with the following improvements:
- Enhanced user experience
- Increased battery life
- Added support for Sony Xperia themes
- Improved software performance