The Galaxy S4 is well over a year old now, and as you would know if you read my comparison of LCD, AMOLED and Retina displays last week, one of the characteristics of OLED displays is that they deteriorate over time. This is because they are made of organic material. Another side effect of AMOLED screens is that they are prone to screen burn-in. A little bit of a bogey monster in tech circles, we're going to share a couple of tricks to avoid screen burn in as best you can.
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