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.
As per the latest tweet from Evan Blass, Sony is set to launch three phones, namely the Xperia Z5, Z5 Compact and Z5 Premium.
Both the Sony Xperia M5 and C5 Ultra offer 2 TB expandable storage slot, Android Lollipop operating system and octa core processors.
The new Sony Xperia Z3+ has few enhancements over its predecessor, the Xperia Z3.
The water and dust proof smartphone has the latest Android operating system and an octa core processor.
Both the LG G4 and Sony Xperia Z4 will have high end features, few of which are known right now.
Sony has announced Xperia E4 and Xperia E4 Dual but has not revealed their prices yet.
There is also a dual SIM version of the phone, simply known as Sony Xperia E4 Dual.
Sony Xperia L was introduced in India in mid-May last year for Rs 18,990.
Apart from SIM slots, the new handsets are identical in terms of specifications.
Sony Xperia Z Ultra Google Play Edition is priced at $650 (Rs 39,846 approximately) and runs Android 4.4 KitKat without customisations.