Samsung phones are not MagSafe-compatible in the Apple sense, but many Galaxy models can use MagSafe-style cases, mounts, wallets, batteries, and wireless chargers, with charging speeds depending heavily on Qi, Qi2, Samsung wireless-charging support, the case, and the charger. That distinction is the whole story. As BGR usefully summarized this week, a magnetic ring on the back of a Galaxy phone does not magically turn it into an iPhone. It turns Samsung’s wireless-charging story into a...