I you had your way, you'd put it into low Earth orbit and let it be vac'd and irradiated dry at the same time.
I think if I had super camera, I'd want the underwater box to be pressurized with an inert gas. I wonder what the camera would think about that.
My g-son took his phone through the full cycle. Not wanting to tell anyone, he set about taking it to pieces and trying to effect a repair. Bless! Just what I would have done. Anyway, powering up really fried lots of micro circuitry, and even I, in my most manic overconfident mode, gave up on it.