The rising cost of memory chips in the last year or so has forced manufacturers of electronic goods to come up with various strategies to offset the burden, especially smartphone makers that have a portfolio of low-end to mid-range devices. Bumping up the price of more affordable devices could potentially spell trouble. This doesn't necessarily apply to the high-end smartphones, where manufacturers are more inclined to shift the cost to consumers.A report from a Korean publication DealSite suggests that Samsung swapped out its homemade OLED panels in some of its mid-range models,...