I can't unlock my iPhone

You will need to do exactly what the iPhone is telling and below are instructions on how to get that done.

You will need to reset your passcode. You will need a computer to complete this task. You can reset your passcode by following the instructions in this article by Apple ➔ How to reset your passcode on a disabled iPhone. You will need a computer for this task and all your data on your iPhone will be wiped clean in the process.

If you have a backup created then you can ➔ Restore Your iPhone from that backup file. If you do not have a backup file created then you will lose all your data on the iPhone.

 If Photos, Messages and Contacts are synced to iCloud then you will be able to retrieve them after setting up iCloud on your iPhone after you reset the passcode and sign into iCloud.

Axel F.

This support article contains the instructions you need to reset the device in this situation.

"If you see the Restore screen on your iPhone, iPad, or iPod touch" click here --> https://support.apple.com/HT203122

Perhaps this article will help:

If you see the Restore screen on your iPhone, iPad, or iPod touch - Apple Support

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