I have an iPhone 7 Plus, which has been reset to the factory defaults. After that, I normally went through the onboarding process, configured everything and set up screen passcode. After initialization had completed, I wanted to unlock the phone with the passcode but it kept saying the passcode was invalid, even though I'm 100% it was correct.
Therefore, my phone got blocked and so I wanted to connect it to iTunes and restore it.
iTunes downloaded the latest OS update (
iPhone_5.5_P3_14.7.1_18G82_Restore.ipsw) but when trying to install it shows an error saying
Any ideas? I'm using MacOS Mojave