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 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.
The Xperia C6 images show a large display, which is said to be of 6 inch in size.
Sony has armed its new X series phones with powerful cameras.
The pocket-sized mobile projector can display a screen size of up to 120 inches at a distance of 3.45 metres.
It has the same frosted glass back and black front panel as the other variants of the phone.
Apart from Xperia Z6 Lite, five other versions of Z6 are rumoured to be launched next year.
However, reports claimed that Sony may not launch the Xperia Z5 Compact which too was unveiled along with the other two Z5 series phones earlier in September.