GoKawiilYour options for an iPhone Unavailable error vary slightly depending on your iOS version, if you've changed your passcode recently and what other technology you have available.
Use Passcode Reset
If you're using iOS 17 or later and have reset your phone's passcode within the last 72 hours, you have the option to revert back to your old passcode to solve the issue.
After five incorrect passcode attempts, the iPhone Unavailable screen will appear, and you can select the Forgot Passcode option in the lower righthand corner Select Enter Previous Passcode After entering your previous passcode and unlocking your phone, you'll immediately need to reset the passcode to a new number
Reset your iPhone without a computer
To reset your iPhone without a computer, you'll need to be using iOS 15.2 or later, have Find My previously enabled, have an active cellular or Wi-Fi connection and know your Apple Account and password. Apple recommends that, if you're using an eSIM on iOS 16 or later, you should contact your carrier before following these steps, as they may be able to give you a QR code that allows you to set up your eSIM again.
From the iPhone Unavailable screen, select Forgot Passcode Select iPhone Reset Enter your Apple Account password to sign out of your account Select Erase iPhone, which will delete all your data and settings. If you're using an eSIM and iOS 17 or later, you'll have the option to keep your eSIM but erase your data, or delete both your data and eSIM Your phone will restart; from there follow the instructions to set up your device again
Reset your iPhone with a computer
To reset your iPhone with a computer (either PC or Mac), you'll need a cable to connect your phone to your computer and an internet connection. On PC, you'll also need the Apple Devices app, which can be found on the Microsoft Store. After resetting your iPhone, you'll only be able to restore it if you have an existing iCloud backup.
Turn off your iPhone by holding down the side button and volume down button, then using the power slider Connect the cable to your computer, then plug in your iPhone and quickly hold down the side button Keep holding the button when the Apple logo appears, and continue holding until the image of a computer and cable appears; this means your phone is in recovery mode
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