OK OK, verdict:
Andy, Hirose connectors look like them but not exact. I browsed their tons of pdfs but noting matches the staggered pins.
Then I found this pic some dude got taking apart his phone.
Picture is big so click it.
His original blog:
Look to the far left at the golden pads and zoom in. Can you see the pin-shaped indentations on the pads?
Bam! I pressed my connector against a hard object, all pins retract! That’s it, no connectors just retractable pins pressed against pads on PCBs. I don’t have the proper plastic frame so I will have to get creative.