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Apple has pushed a new carrier settings update, version 72.0.3, to iPhone 18 Pro Max users running the iOS 27.2 beta on AT&T, following last week's fix for devices on the stable iOS 27.0 release. The update addresses the same issue in which some users lost cellular service entirely, with affected phones showing an 'SOS' status indicator.
Apple confirmed to 9to5Mac that a small number of iPhone 18 Pro Max units on AT&T have lost cellular service entirely, leaving affected users unable to make calls. The company released iOS 27.0.1 and a carrier settings update to prevent further occurrences, but says customers already affected will need a hardware replacement through Apple or AT&T support.
Apple confirmed a small number of iPhone 18 Pro Max users on AT&T have lost cellular service entirely, unable to call, text or use mobile data. The company has pushed a carrier settings update and iOS 27.0.1 to prevent further cases, but affected users must get a device replacement from Apple or AT&T to restore service.
Apple has acknowledged a bug affecting a small number of iPhone 18 Pro Max users on AT&T's network, causing devices to display an 'SOS' symbol and lose calls, texts, and data service. The company says iOS 27.0.1, released earlier this week, along with a new carrier settings update, should help prevent the issue, though it hasn't fixed phones already affected.
Apple confirmed that a small number of iPhone 18 Pro Max devices on AT&T's network are losing cellular connectivity, dropping into SOS mode and unable to make calls, send texts or use data. The company released iOS 27.0.1 and a carrier settings update to prevent new occurrences, but says phones already affected will need a free hardware replacement.
Some iPhone 18 Pro Max owners on AT&T's network reported losing all cellular connectivity, including the ability to dial 911, according to MacRumors, which estimates thousands of customers affected. Apple is rolling out an iOS 27.0.1 update alongside a separate carrier-settings patch to prevent the issue going forward, but says these fixes won't restore service on phones already affected. Apple told CNET it will give free replacement devices to those customers, who should contact Apple Support or AT&T.
Apple confirmed that a small number of iPhone 18 Pro Max devices on AT&T's network are losing cellular service, showing 'SOS' instead of a signal. The company released iOS 27.0.1 and a carrier settings update to prevent the issue from occurring, but says devices that already lost service will need a hardware replacement through Apple Support, AT&T, or in-store visits.
Since the iPhone 18 series launched, some iPhone 18 Pro Max owners on AT&T have reported their phones dropping into SOS mode, blocking calls, texts, data and even 911 access, while Wi-Fi keeps working. AT&T has sent customers a text urging them to install Apple's iOS 27.0.1 update, warning that some phones may be unable to complete calls, texts or data connections.
AT&T, T-Mobile and Verizon have formalized a joint venture, first announced in May, that will use satellites to supplement their ground networks in areas lacking mobile coverage. The venture will be overseen by a board with representatives from each carrier and has named Paul Roth as interim CEO. No launch timeline was given for when satellite connectivity will actually reach underserved areas.
AT&T has told customers using the iPhone 18 Pro Max on its network to install Apple's newly released iOS 27 software update as soon as possible. The warning follows Apple's rollout of the first update to iOS 27 this week, though the carrier has not detailed the specific issue prompting the alert.
AT&T sent a text to customers urging them to update their iPhone 18 Pro Max to iOS 27.0.1, saying it would fix problems with calls, texts, and data, including 911 access. However, Apple's release notes for iOS 27.0.1 only mention Face ID and camera fixes, and multiple affected users report the connectivity problems persist after updating, with phones still showing 'SOS' in the status bar.
AT&T, T-Mobile, and Verizon have signed a formal joint venture agreement, converting the preliminary deal they announced in May into an active partnership focused on eliminating mobile coverage gaps across the US. The venture will pool spectrum resources and pursue shared technical standards, particularly around direct-to-device satellite connectivity, while each carrier continues operating independently. Wireless industry veteran Paul Roth has been named interim CEO as the venture searches for a permanent leader and board representatives from each company oversee the project.