The new Apple Upgrade program has a key piece of fine print: “If you’re leasing an iPhone, you’ll need to connect to AT&T, T-Mobile, or Verizon when you enroll. ” In a new post today, John Gruber at Daring Fireball has a likely explanation for this requirement.
Source: [9to5Mac](https://9to5mac.com/2026/08/03/why-apple-upgrade-requires-att-t-mobile-or-verizon-for-iphone/)