Optimized Battery Charging on iPhone is on by default, but you can change that – here's what to do if you want to turn it off or back on again: With iPhone 14 models and earlier, go to Settings ...

With iOS 17.4, 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.

Citing reader reports and its own tests, Macworld claims that the ‌iPhone‌ 12 is able to charge at 15W when using a Qi2 wireless charger after an update to iOS 17.4.

For now, the iPhone 15 only supports wired reverse charging using USB-C. But you know Apple – they'll probably hype Wireless reverse charging like it's groundbreaking when they do release it in ...

It’s also important that you know wireless charging is significantly slower than wired charging. Using USB-C and a 20W charger, as Apple recommends, you can take your iPhone 15 from 0% to up to ...

Additionally, your iPhone will learn your habits and could recommend a different charging limit. According to Apple, you might see a message like: “Based on your iPhone habits, a charge limit of 95% ...