The smartphone upgrade path may be fizzling

Apple and Samsung dominate global smartphone sales with several new flagship models announced each year.
But after years of fantastic growth in smartphone sales, the pace of growth is slowing overall, including for the two smartphone giants.Market research firm IDC recently said that 2016 will be the first year that overall smartphone growth will slow tobelow 10%.
There is even talk among analysts that the latest models don't have enough compelling new features to lure customers to a competitor