Apple has reportedly determined that iPhone 18 Pro Max devices suffering from lost network service on AT&T cannot be resolved through standard troubleshooting or software patches. Instead, affected handsets will require full unit replacements.

The guidance indicates that the cellular disruption stems from an issue that cannot be resolved via carrier settings updates or an operating system fix. Customers facing persistent connectivity failure on the carrier network may need to visit authorized service locations to initiate an exchange.

Details regarding the exact root cause of the hardware failure or how many handsets are impacted remain undisclosed. Neither the carrier nor the hardware maker has published an extensive public breakdown of the underlying defect.

For more details and updates regarding this issue, check the original report on finance.biggo.com.