This is a step in the right direction, but because phones are now extremely sophisticated they frequent need security updates, but phone manufacturers only support a phone for about 3 years that also needs tackling because that will also help reduce ewaste.
No it’s not EVs are 60% less polluting than fuel vehicles, it’s irrelevant if you buy it used because it’s history is part of its impact.
The over arching problem is there’s too many vehicles on the road, most people including Americans when they drive only drive up to 3 miles.