Samsung refreshes mid-range A series smartphones

(Telecompaper) Samsung has refreshed its mid-range Galaxy A series of smartphones in an announcement ahead of the CES congress in Las Vegas. The new range includes the 5.7-inch A7, 5.2-inch A5 and 4.7-inch A3 smartphones. These are the first in the series to be water- and dust-resistant, and Samsung they also come with improved front and back cameras, with more accurate autofocus. In addition, the storage memory has been increased, with microSD support up to 256 GB, the phones come with Fast Cha