iPhone panic ANC-postnand: NAND (ANC-postnand)
Panic codes: ANC-postnand
How to fix it
The panic points to the hard disk (NAND).
1. Check the hard disk (NAND) and its circuit.
2. Restore with iTunes / 3uTools. If the restore fails or the panic comes back, the NAND or its soldering is faulty.
By Hasan Patel, iPhone Fixer. Check your own panic