Someone tried to unlock phone

Unfortunately, you will now have to reset your phone.

If you forgot the passcode on your iPhone, or your iPhone is disabled or unavailable -

Click on the link for instructions on how to reset your passcode without a computer if you have iOS 15.2 or higher.

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

Click on the link for instructions on how to reset your passcode using a computer.

If you forgot your iPhone passcode - Apple Support

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

If you can't follow these steps, you can use a computer to reset your device.

There are different kinds of locks. What is the message that appears on your phone?

Unavailable?

Security Lock?

Activation Lock?