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How did Apple put even more tech in 70% of the footprint? By folding the board in half, of course.

The two halves are soldered together, so we got some help from our hosts Circuitwise and their BGA hot air rework station to separate the layers.

With the pieces separated, we tallied the area of all of the separate layers, and added it up to 135% of the iPhone 8 Plus logic board's area. Way to go putting more into less, Apple.

The iPhone X logic board is the first double-stacked board we've seen in an iPhone since the very first iPhone (third photo).

The downside of this clever design is that many board-level repairs will be a lot more difficult.

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