[benrutter]

Can't speak to availability outside of Europe, but parts are sold by the manufacturer directly for fairphone, so they're very easy to get hold of if you can buy a fairphone in the first place.

Me saying "a samsung" probably isn't helpful since different models vary. Here's some ratings and detail of repairing major smartphone models though if you're interested: https://www.ifixit.com/repairability/smartphone-repairabilit...