english is not my native language so plz forgive some vocabulary or grammar error
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as we know, the tsmc cpu uses 16 nm processing while samsung's uses 14 nm processing. however, the iphone 6s with samsung cpu produces more heat than with tsmc's.
On the physical viewpoint, the smaller processing means it is more sensitive to the heat effect, so it will be more possible to get malfunction, especially after few months using.
on the other hand, the smaller processing should have produce less heat, while samsung's 14nm process produces with more heat, which means samsung's cpu contains with serious defects.
i assume that in few months, there will be a huge number of people returning their iphone, and so coincident, they all use iphones with samsung's cpu