TOKYO -- What does it take to churn out the world's most iconic smartphones? Cutting edge-technology, a global army of suppliers -- and more money than it used to.
Teardown of latest premium model shows where the parts -- and expense -- come from

In roughly 10 years, the total cost of the components in an iPhone has risen from around 23% of its selling price to 36% or more.
TOKYO -- What does it take to churn out the world's most iconic smartphones? Cutting edge-technology, a global army of suppliers -- and more money than it used to.