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A comment on iOS 11's Misleading "Off-Ish" Setting for Radios Is Bad for User Security. Parent comment

Re:iOS 11's Misleading "Off-Ish" Setting for Radios Is Bad f... by jsjohnst on Friday October 06, 2017 @12:31AM (#15414440)
It’s possible, depending on your carrier, that it uses Wi-Fi for calls, but doubt that’s what he meant. Either way, in your specific use case, I agree, turning off Wi-Fi would save power, I just don’t believe it’s 2x difference though.
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Re:iOS 11's Misleading "Off-Ish" Setting for Radios Is Bad f... by Nition on Friday October 06, 2017 @12:34AM (#15414447)
I just looked it up and found the official page on Wifi calling[1], but yeah, that option isn't there on my phone.

[1]https://support.apple.com/en-nz/HT203032

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