How can I upgrade my iPhone software to iOS 15.7.5
How can I upgrade my iPhone software to iOS 15.7.5
Question marked as
If you're referring to an iPhone 6s or newer, use a computer or the Software Update function in Settings to install 15.7.5 or 16.4.1. Otherwise, you can't.
If you're only offered 16.4.1, you can only update directly to it.
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