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● LIVE Updated 1h ago · 13 sources tracked

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

AT&T is urgently warning iPhone 18 Pro Max users to install a software update to fix severe cellular network connection failures that can block phone calls, text messages, data usage, and emergency 911 access. Customers report that their devices are suddenly dropping service and becoming stuck in SOS mode on the AT&T network. While the carrier distributed text messages advising users to upgrade, some affected customers report that the software update fails to resolve connection issues once the phone has already lost service.

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  • ✓ AT&T acknowledged that some iPhone 18 Pro Max devices on its network are experiencing cellular issues.
  • ✓ AT&T sent text messages to customers telling them to upgrade to iOS 27.0.1 to fix call problems.
  • ✓ AT&T warned iPhone 18 Pro Max users that outages may block 911 calls, texts, and data.
🛡️ Source Corroboration: 13 independent reporting domains (90% confidence) ⏱ Read time: ~2 min

What changed

AT&T began sending text messages to customers warning that network outages on the iPhone 18 Pro Max may block emergency calls and urging an immediate software update.

Live updates

  1. AT&T Issues Urgent Update Warning for iPhone 18 Pro Max

    AT&T is urgently warning iPhone 18 Pro Max users to install a software update to fix severe cellular network connection failures that can block phone calls, text messages, data usage, and emergency 911 access. Customers report that their devices are suddenly dropping service and becoming stuck in SOS mode on the AT&T network. While the carrier distributed text messages advising users to upgrade, some affected customers report that the software update fails to resolve connection issues once the phone has already lost service.

    Why it matters

    The connectivity glitch impacts high-end Apple hardware on a major telecommunications network, raising immediate public safety concerns regarding emergency service access. Telecommunications carriers and device manufacturers are facing intense pressure to resolve hardware and software integration failures that strand users without cellular service. The situation highlights the critical reliance of modern smartphone users on continuous network availability.

    What is confirmed

    • AT&T acknowledged that some iPhone 18 Pro Max devices on its network are experiencing cellular issues.
    • AT&T sent text messages to customers telling them to upgrade to iOS 27.0.1 to fix call problems.
    • AT&T warned iPhone 18 Pro Max users that outages may block 911 calls, texts, and data.

    Still unconfirmed

    • Some users say Apple's recommended software update has not fixed the issue.
    • Units that have already lost service may need to be returned for a new phone replacement.

    What to watch next

    • Official statements from Apple regarding hardware replacement policies for affected iPhone 18 Pro Max devices
    • Data on whether subsequent software patches successfully restore connectivity to phones stuck in SOS mode
    Sources used for this update (12)
    1. MacRumors — AT&T Acknowledges iPhone 18 Pro Max Issues: 'Update Immediately'
    2. PhoneArena — iPhone 18 Pro Max is suddenly losing service on AT&T, but there's a fix
    3. Межа. Новини України. — AT&T Warns iPhone 18 Pro Max Outages May Block 911 Calls
    4. The Apple Post — Some iPhone 18 Pro Max users report AT&T cellular and eSIM issues
    5. macobserver.com — AT&T Customers Report iPhone 18 Pro Max Network Connection Issues
    6. www.macrumors.com — AT&T Acknowledges iPhone 18 Pro Max Issues: 'Update Immediately'
    7. www.tomsguide.com — iPhone 18 Pro problems so far — 'popping' noises, AT&T issues and more
    8. www.idropnews.com — Stuck in SOS Mode? AT&T Confirms iPhone 18 Pro Max Network Bug
    9. www.ibtimes.com.au — AT&T Warns iPhone 18 Pro Max Users Some Phones Can't Call 911, Urges Immediate Update as Problems Persist
    10. www.pcmag.com — AT&T Urges iPhone 18 Pro Max Users to Update iOS to Fix Cellular Issues
    11. appleinsider.com — AT&T tells iPhone 18 Pro Max users to urgently update iOS
    12. www.macworld.com — AT&T floats a fix for iPhone cellular issues but it doesn't appear to work
    confidence 90%
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