But in certain regions (specifically Europe), Samsung released a variant of the Note 4 that was a sleeper agent. This was the . It looked exactly like the Note 4 on the outside, but inside, it had the powerful Exynos 7420 processor—the same chip found in the flagship Galaxy S6 and the "hated" Note 5.
Here is the interesting story behind the N920F flash file. samsung n920f flash file
The safest sources are: