7.5 maybe, read on.
If you can live with that. Enjoy.
- It won't be the most remarkable thing you'll see but better than most. It is interesting.
- The first mistake you should avoid is to listen in your own language or English. If you can, listen in German. Acting is on point.
- The second mistake is to expect Independence Day, Arrival or any other good/bad first contact plot. Don't. It is about humans. About our biases. About the messy we are and the messes we make.
- It is not fan service. It is not satisfying. It can get cheesy but it has layers.
- Some things don't make obvious sense, they are at the edge of logic but it is ok, it is fiction, not a documentary.
If you can live with that. Enjoy.