Need to restore and hopefully

Do you want to restore your phone from a backup ? See this link and follow the instructions provided

Restore your iPhone, iPad, or iPod touch from a backup - Apple Support

Is your iPhone unavailable due to a forgotten passcode and you want to restore the iPhone?

When you're running iOS 15.2 or later see this link and follow the instructions

How to remove your iPhone, iPad, or iPod touch passcode without a computer - Apple Support

If you're running an older iOS, see this link and follow the instructions provided

If you forgot your iPhone passcode - Apple Support

Follow the instructions on the page you just came from.

Read and follow the article linked above.