Not really, you do the split according to functionality, not just a straight spl...

quantumhobbit · on Sept 6, 2016

So something like Google's project Aria that they just cancelled with separate modules for each function. Only not user serviceable.

mikeash · on Sept 6, 2016

Like any phone. They all have separate components and boards connected with ribbon cables. You can see the iPhone 6+'s various ones here:

The proposal is just to do a little more of that.