Does Watt Charging Speed work on iPhone Duo?
Probably. The release notes for Watt Charging Speed 1.5 (October 26, 2026) mention iPhone Duo. No owner has reported how it runs yet.
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By position
From recent reports. “Didn't try” answers aren't counted.
App Store updates
Released after Duo submissions opened
Mentions iPhone Duo: “Battery sizes for iPhone 18 Pro, iPhone 18 Pro Max, iPhone Duo and iPhone 17e, and for iPad Pro (M5), iPad Air (M3 and M4), iPad (A16) and iPad mini (A17 Pro)”
Checked every few hours. Only builds made with the iOS 27.1 SDK, accepted since October 5, 2026, can use the whole inner display. Owner reports confirm whether an update did.
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