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AT&T Acknowledges iPhone 18 Pro Max Issues: 'Update Immediately'

AT&T said thousands of customers are seeing call, text and data failures, and urged an immediate update even though users say it does not fix the issue.

  • On Friday, AT&T sent text messages to iPhone 18 Pro Max customers advising an immediate update to iOS 27.0.1, warning that some phones may be unable to complete calls, text messages, or data, including to 911.
  • Despite the carrier's advice, Apple's release notes for iOS 27.0.1 mention only Face ID improvements, not cellular fixes, while many affected users report the update fails to resolve their connection problems.
  • Notably, the U.S. iPhone 18 Pro Max uses a Qualcomm modem, while the smaller iPhone 18 Pro and iPhone Duo are equipped with Apple's C2 modem worldwide, and connectivity failures appear exclusive to the Qualcomm variant.
  • Some customers have visited an Apple Store seeking assistance, where staff ordered replacement units for affected users, with some recipients reporting the new devices resolved their connectivity issues.
  • Neither Apple nor AT&T has publicly explained the underlying cause, though if a software issue is identified, a future update such as iOS 27.0.2 may be required to fully resolve the problem.
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AT&T addresses iPhone 18 Pro Max issues: What to know

If you’re an AT&T customer experiencing issues with your recently-purchased iPhone 18 Pro Max, know that you’re not alone.

·Grand Rapids, United States
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Apple users in the US should urgently upgrade to iOS 27.0.1. The large carrier AT&T has discovered a compatibility problem.

·Germany
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After several reports, AT&T recognizes cellular connection problems that affect iPhone 18 Pro Max on its network. The operator asks customers to... Read more... Facebook · X · iAddict The article iPhone 18 Pro Max and network problem: AT&T ensures that iOS 27.0.1 fixes the bug appeared first on iPhoneAddict.fr.

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machash.com broke the news on Friday, October 2, 2026.
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