In this video shows that a 512gb iPhone is possible with a programmed chip.
Chip Donated by https://www.unionrepair.com/
Check out my Instagram for more complicated repairs: https://www.instagram.com/federicocerva/ http://www.logicboardrepair.london/
There is a risk in upgrading storage and it voids Apple aftercare and warranty.
This project and video was made for educational purposes only.