From this year's flagships, the Samsung Galaxy S4 takes the top with an 8/10 rating, which is also the score for most smartphones from the Koreans, due to their flexible plastic design that lets you easily remove the back cover, swap the battery, or access internal components. The only downside of the S4's repairability is that the internals are glued to the back of a "fused display assembly," which is quite expensive to replace, too, as only Samsung is making those Super AMOLED Full HD panels. The iPhone 5s is in the middle of the road with a 6/10, while the unibody aluminum HTC One gets the worst of it with the lowest 1/10 score...Source: http://www.phonearena.com/news/2013-Smartphone-Repairability-Index-Galaxy-S4-gets-810-HTC-One-at-the-bottom_id47771
