Apple’s self-repair program has made repairs more accessible, but it’s still far from perfect. The main issue is that parts need to be brand-new and bought from Apple in order to use them, with the company validating whether you actually bought it. This greatly limits the use of used parts, which can often be less expensive to find and could still work perfectly well. Now, Apple is allowing the use of used parts, at long last.
Source : Apple Just Fixed The Worst Thing About Self-Repairs
