It’s a bad agreement to make. If a nuclear nation tries to make a deal with a non-nuclear country to not develop a weapon that country needs to double their nuclear program funding.
The US doesn’t respect their agreements and Russia clearly hasn’t. At best nuclear nations just want to keep the non-nuclear nation subservient
If it’s removable you can much more easily recycle it though. Sustainably that is much much better than average phones.
However, while more sustainable than current it is not the most sustainable if you charge it like that