The current entry-level model from Samsung's Galaxy A series is the A02s. For barely 165 Euros (~$197), the manufacturer includes a triple camera system and a quite large battery. However, there are a lot of competitors, including other inhouse models, and there are also some really basic problems.
https://www.notebookcheck.net/Samsung-Galaxy-A02s-smartphone-review-Korean-smartphone-with-a-WLAN-problem.527824.0.html