I can’t install iOS 15.5 in my iPhone 7. There’s a message-unable to install update. An error occurred installing iOS 15.5. What’s the reason please let me know and then solve it.
How can I install iOS 15.5 in my iPhone 7?
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Please kindly let me known the error code it gives you or you can follow this link on how to update your iphone using iTunes.
https://support.apple.com/en-ng/guide/itunes/itns3235/windows