Apple has been rumored to be bringing reverse wireless charging to iPhones for a couple of years now. It’s yet to officially appear, but a regulatory filing suggests the tech is actually inside the iPhone 12 – it’s just not enabled.
Reverse wireless charging, as seen on some Android handsets, is where a phone can itself double up as a wireless charger – drop a pair of wireless earbuds on the back of the phone, for example, and they start charging up.
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https://www.techradar.com/news/iphone-12-looks-like-its-hiding-a-reverse-charging-feature-after-all
