[infinita740]

From the end of the post:

> This iPhone would never be able to boot iOS again, as its nvme nand is completely dead.

[raldi]

That just raises further questions.

[segfaultbuserr]

NAND flash memory, like those used in SSDs, has limited lifetime, after too many writes they will just be dead (although in practice it means several terabytes of writes). Manufacturing defect is also possible.