Forgot Passcode

Are you referring to the passcode that is used to unlock your iPhone to get to the Home Screen? If YES, then You will need to reset the passcode on the iPhone. 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. 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.

The blue text in the response from Axel Foley is a link for a support document that explains exactly what you need to do, in steps.