Before Lightning, iPhones used a wide 30-pin dock connector that dated to the iPod. Apple replaced it with the smaller, reversible Lightning connector with the iPhone 5 in 2012. Lightning stayed on the iPhone for 11 years.
USB-C, meanwhile, spread across laptops, tablets and Android phones. Apple had already moved the Mac and most iPads to the port, which left the iPhone as the notable holdout.
The final push came from regulation. In 2022 the European Union adopted rules requiring a common charging port for many portable electronics sold in the bloc, which applied to phones from December 28, 2024. Apple said it would comply, and it introduced USB-C on the iPhone 15 family in September 2023.
For users, the most immediate change was convenience: one cable could now charge an iPhone, iPad, MacBook and AirPods case. The port also allowed charging accessories and reverse charging at low power.
Data speeds depended on the model. The standard iPhone 15 kept USB 2 speeds, while the iPhone 15 Pro models supported faster USB 3 transfers, which helped when moving video and ProRes files. Apple also changed its accessory program, and cheap cables of widely varying quality became easier to buy, so buyers still need to pay attention to cable specifications.
The shift ended an era of proprietary iPhone connectors. It also showed that Apple would adapt its hardware when regulation and industry trends align.
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