Its amazing how much wasted (blank) space there is on the logicboard and "a fingernail in the groove is all you need to get this phone open" literally means it will start falling apart as the phone wears.
Why do people keep comparing junk like this to the iPhone? They are nothing alike. The iPhone is a premium product designed by engineers. The S4 is a low-cost product designed in Korea by kids ("leet"). Seriously, the CPU uses the RAM chip as a heatsink......