Nightfall and teishin armor no unlocked

Games Halo 5: Guardians
1

As the title says i have seen the full halo nightfall serie on halo channel and played the game since the release and i didnt get any of these two armors even if i archieve what they need to be unlocked someone have the same problem?

2

I have the same issue

3

I think you had to watch it before the launch of Halo 5

4

I don’t have the Teishin Raiku armor yet. I’ve been playing since Monday.