iPhone 15 — The Move to USB-C

To describe the iPhone 15 as a product of Apple's own will is to miss the point. It is a rare case in twenty-first-century electronics in which regulation directly rewrote a major corporation's hardware specification.

The EU Decision

In October 2022, the European Union adopted the Common Charger Directive. The substance was simple: from 28 December 2024, almost every portable electronic device sold in the EU—phones, tablets, digital cameras, headphones, handheld game consoles—must be chargeable via USB-C.

The target was unmistakable. By that point, essentially one major portable device sold in the EU did not use USB-C: the iPhone.

The Lightning Island

Apple had introduced Lightning in September 2012, with the iPhone 5. Avoiding the then-dominant micro-USB, Lightning was reversible, thin, and built around Apple's own authentication chip. That last property gave Apple control of the connector for the next decade.

In those years, the rest of the industry completed its move to USB-C. USB-C was standardised in 2014; Android adopted it broadly by 2016; the MacBook and iPad followed during the 2020 transition. iPhone alone remained on Lightning.

The reason was not technical. Through the MFi (Made for iPhone) program, Apple collected licensing fees from manufacturers of Lightning accessories. Every compatible cable was a small revenue stream.

Overnight

Within a year of the EU rule's adoption, Apple moved the entire iPhone 15 lineup to USB-C.

The official explanation, naturally, was not the regulation. It was 'embracing an industry standard'. Given that by 2023 essentially every other portable device had already done so, this was an industry standard somewhat after the industry standardised on it.

For the Pro models, Apple introduced a new differentiation. USB 3 data-transfer speeds—up to 10 Gbps—were enabled at the electrical level only on the Pro variants. The standard models had the USB-C shape but a USB 2.0 transfer ceiling.

The EU had regulated the physical connector but had not, strictly, regulated the protocol behind it—a regulatory gap Apple was quick to use.

What Changed

From the user's side, a single cable charged iPhone, iPad, MacBook, and headphones. The Lightning cables scattered through homes around the world began their decade-long withdrawal.

For the industry, a precedent was set: regulation could determine a global product specification. US, UK, and Japanese regulators accelerated their own discussions. Alongside the Digital Markets Act, the USB-C mandate became a canonical example of what is called the 'Brussels effect.'