Sony had earlier promised Android 4.1 update to all Xperia phones released in 2012.
The list of devices that will be getting the Android 4.1.2 update include the Xperia P, Xperia Go, Xperia S, Xperia SL, Xperia acro S and the Xperia Ion. Exact date for the update will be known by next week.
Sony had announced its X series smartphones - Xperia X and Xperia XA earlier this month.
The Xperia E5 will be available towards the end of June this year and will roll out in Europe, the Middle East, Africa and Latin America first.
The Xperia E5 smartphone is expected to be unveiled next week.
The pre-registration starts from May 20, 2016 from 1200 hours at Sony mobile website.
The smartphone comes in three different colours- Graphite Black, Lime Gold, and White.
Sony may kill its M & C phone series in favour of X series
Sony has already rolled out Android Marshmallow update for Xperia Z5, Z5 Premium and Z3+ smartphones.
Sony has armed its X series phones with powerful cameras.
Sony F3216 has a 21-megapixel rear camera and 16-megapixel front-facing camera.
Sony Xperia Z5 Premium Pink has a 5.5 inch 4K Triluminos Display.