When you take your Apple iPhones, iMacs and MacBooks to an Apple Store for repair... are you curious how they get fixed? We may have just gotten a glimpse into that world, proprietary Apple tools and all.
We can't be sure that they're legit -- Apple didn't immediately respond to a request for comment -- but Motherboard's sources report that they're the real deal, and they most certainly include exacting, purpose-built calibration and disassembly tools the likes of which we've (almost) never seen before.
Until or unless the videos disappear from YouTube, anyhow.
Update, 11:55p.m. PT: Sure enough, the videos -- and in fact, Arman Haji's entire YouTube channel -- appear to have been taken down. Here's one of the videos as posted to a different YouTube channel: