At the end of 2015, Samsung has announced an updated line of smartphones Serie A. updated all versions of the phone A3, A5, A7. New versions of phones installed more modern processors, improved screen, resolution. It establishes and better camera.
The old line phones stayed on the market for about a year, it is clear that the new line is gradually supplant the old.
It can be noted that Samsung has in spite of the previous practice of issuing many models of phones, once recently in the difficult situation in the smartphone market is constantly decreasing profitability of the mobile sector is due both to the saturation of the market and the expansion of Chinese manufacturers offering cheaper models but phones with advanced parameters.
Therefore, Samsung has decided not to create new models and upgrade old successful models, having tightened their characteristics to a more modern level, responsible beginning in 2016.