Apple confirms iPhone cellular issue, admits affected units can’t be fixed
macworld.com Oct 4, 2026

Apple confirms iPhone cellular issue, admits affected units can’t be fixed

AI-summarised brief · reviewed before publication

Apple has officially acknowledged a software defect affecting iPhone 18 Pro Max units, which can prevent calls, texts, data, and even emergency 911 access. The issue was first reported in mid‑September, prompting AT&T to warn customers to update to iOS 27.0.1. Apple’s release notes for the update do not mention a fix, and many users report the problem persists after installing 27.0.1. The company’s admission marks the first formal recognition of the bug, though a resolution remains unclear.

💡 Why It Matters

  • · The flaw threatens basic communication for a flagship model, raising concerns over software reliability and customer trust in Apple’s post‑launch support.