What type of connection method can be used for charging mobile devices and is proprietary to Apple products?
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Answer Description
The Lightning connector is a type of proprietary connector used for charging and data transfer developed by Apple used exclusively for their products.
In recent years Apple has begun rolling out USB-C support for devices as well, but this is not a proprietary connector.
Wikipedia
Lightning is a proprietary computer bus and power connector, created and designed by Apple Inc. It was introduced on September 12, 2012, in conjunction with the iPhone 5, to replace its predecessor, the 30-pin dock connector. The Lightning connector is used to connect Apple mobile devices like iPhones, iPads, and iPods to host computers, external monitors, cameras, USB battery chargers, and other peripherals. Using 8 pins instead of 30, Lightning is much smaller than its predecessor. The Lightning connector is reversible. The plug is indented on each side to match up with corresponding points inside the receptacle to retain the connection.In 2018, Apple began transitioning to USB-C on iPad Pros and accessories. In response to legislation to standardize charging ports passed in 2022, Apple said it would comply with regulations. The iPhone 15 and 15 Plus and the iPhone 15 Pro and Pro Max, announced on September 12, 2023, became the first iPhones to use USB-C, and the last few Lightning accessories will make the transition by 2025.
Lightning_(connector) - Wikipedia, the free encyclopedia 
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