iPhone 18 Pro Max connectivity issue on AT&T isn't fixed by iOS 27.0.1 apparently

Earlier this week, Apple released iOS 27.0.1, following the initial iOS 27 launch earlier in September. The update fixes an issue that caused the newly launched iPhone 18 Pro and iPhone 18 Pro Max to reboot after a failed Face ID authentication. Or at least that’s what Apple has said about it.

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However, AT&T is now apparently sending its customers an automated text message urging them to update to iOS 27.0.1 immediately, because it also fixes an issue that leaves an iPhone 18 Pro Max connected to the carrier’s network unable…

Source: GSMArena