Will iPhone modem and cellular radio turn off if WiFi connected
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Imagine an iPhone on a high speed train: the radio will burn extra power to find good signal, while transiting through poor service areas.
If I connect the iPhone to the train’s WiFi, does the iPhone power down or at least throttle-back the radio in poor service area?
Asked by gatorback
(3413 rep)
Sep 22, 2022, 05:54 PM