With the iOS 17.4 update, the iPhone 12 appears to have gained the ability to charge at full 15W speeds using non-MagSafe Qi2 chargers. Previously, non-MagSafe chargers were limited to 7.5W charging speeds. iPhone 13 and newer models have already received support for Qi2 charging with the iOS 17.2 update.
Tests show that when magnetically attached to non-MagSafe Qi2 chargers, their iPhone 12 series phones running on iOS 17.4 match the speed of Apple-certified MagSafe chargers, even displaying the signature 15W charging animation. The iPhone 15 series was the first to support Qi2 officially, and Apple extended this support to the iPhone 13 and 14 series shortly after with the iOS 17.2 update. Notably, the increased 15-watt wireless charging speeds are only applicable to the standard iPhone 12 and iPhone 12 Pro models. The iPhone 12 Mini (and iPhone 13 Mini) is capped at 12W wireless charging.
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