would you get a sub dermal iphone if they gave it to you for free.

No! I've never even owned a cell phone at all - I don't trust them. I definitely wouldn't have anything put under my skin, not even a vaccination. These contain mercury, aluminium, and who knows what else they're not telling us about. Some now even contain tissue from aborted babies. These are all precursors to mark-of-the-beast technology, as described in the Book of Revelation written over 1900 years ago.

I might, if i knew wtf it was..

one out of two?

Thimerosol  - also known as mercury. In all the vaccinations. Used as a preservative. But there are other preservatives that are not heavy metals.