Some 3rd-party repair shops say they are seeing iPhone 7 and 7 Plus devices with audio chip problems that can lead to the phone getting stuck on the boot screen (Jon Christian/Motherboard)

Jon Christian / Motherboard:
Some 3rd-party repair shops say they are seeing iPhone 7 and 7 Plus devices with audio chip problems that can lead to the phone getting stuck on the boot screen  —  People who repair Apple products say that a grayed-out speaker icon is a symptom of “loop disease,” which can affect aging iPhone 7 and 7 Plus devices.

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