In bad news for carriers and CE retailers, Australians are delaying the purchase of new smartphones, with the average replacement cycle blowing out from 2.8 years to 3.4 years, according to new Telsyte research. Analysts warn the cycle could stretch further as the escalating cost of memory chips drives up device prices, with Australians now facing some of the sharpest smartphone price rises on record. The average selling price of a smartphone in…