How to get in a unavailable iphone

It is not possible to "bypass" the Unavailable status of the phone.

Follow the instructions in this Apple Support document:

If you see an iPhone or iPad unavailable message or Security Lockout screen - Apple Support

Depending on the circumstances, it may be necessary to use a Mac or PC. Follow these instructions:

If you forgot your iPhone passcode - Apple Support

Click here and follow the instructions. Restoring the iPhone requires plugging it into a computer with iTunes installed, or a Mac running Catalina or newer.

If there's an option to erase it, you can use that instead.

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