Bent Smartphone

In the media, some bendable smartphones were presented in the stores.
This question was also interesting for FEM. How can you bend a smartphone?
Figure 1 shows such a smartphone.

Fig.1: Model of a bent smartphone

In this example, a solid material made of aluminum was used and the main focus is only the qualitative results. Figure 2 shows the deformations and Figure 3 the stresses.

Fig.2: stresses in the smartphone

Fig.3: deformations in the smartphone