How does iTunes restore iPhone's iOS 17 firmware

I encountered a problem while using iOS17 and needed to use firmware to restore iPhone. However, when using iTunes to restore, I was prompted to use the latest version of iTunes to update iOS17. However, iTunes is already the latest version. How can I restore the iPhone iOS17 firmware

I too have same issue with software broken iphone and unable to restore the same can someone help on this pleaseeee

How does iTunes restore iPhone's iOS 17 firmware
 
 
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