AT&T Acknowledges iPhone 18 Pro Max Issues: 'Update Immediately'
AT&T has advised iPhone 18 Pro Max users to update to iOS 27.0.1 to address cellular connectivity issues, though many users report the update fails to resolve the problem. The issue appears to affect devices equipped with specific Qualcomm modems.
Why it matters
Widespread connectivity failures on flagship devices pose significant risks to user safety and productivity, especially when emergency services are impacted.
In a text message sent to customers today, AT&T acknowledged that some iPhone 18 Pro Max devices on its network are experiencing cellular issues .
AT&T said that customers should immediately update to iOS 27.0.1 , despite the fact that many affected users have said that the update does not resolve the issues. There are now at least thousands of users that have experienced this problem, according to discussion topics across the Apple Support Community , Reddit , and MacRumors Forums .
Hi, it's AT&T. Action needed: An important Apple software update for your iPhone 18 Pro Max is available. Some phones may be unable to complete calls/text/data, including to 911. Update to iOS 27.0.1 immediately — Settings > General > Software Update. Please contact AT&T or Apple if you have questions.
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