Apple has reported that a limited number of iPhone 18 Pro Max devices on the AT&T network are facing connectivity problems. These issues can result in users losing cellular service, which affects their ability to make calls or use mobile data. According to Apple, the affected devices may require replacement.
Read More
Users have been reporting these connectivity issues since the phone's release, prompting Apple to issue iOS 27.0.1 along with a carrier settings update aimed at preventing further problems. However, as noted by Apple World Today, devices that have already lost service cannot be repaired via software updates and must be replaced.
AT&T is proactively reaching out to customers who may require a software update, as reported by Bhaskar English. Apple recommends that users with functioning devices install the latest software updates to avoid potential issues. In the event of service disruption, customers should first contact their wireless provider, followed by Apple Support.
The connectivity issue seems to be associated specifically with the iPhone 18 Pro Max, linked to hardware differences involving a Qualcomm cellular modem, unlike the Apple C2 modem used in other models, as highlighted by NeoTeo. Although Apple has not provided a specific figure for affected devices, the company is committed to resolving the issue.