So, to recap:

On the left we've got the interior midframe, with the motherboard and daughterboard

On the right we've got the exterior midframe, with a plethora of spring-contacted components

We're already on a first-name basis with the other bits in here: headphone jack, speaker, buttons, etc.

Identity crisis averted. Repairability crisis, TBD...

Also now visible, just beneath the massive rear-facing camera, Samsung's all-new heart rate monitor, powered by the Samsung SM-G900S biosensor.