I don’t remember my passcode what do I do

If you forgot your passcode You can reset phone using itunes/finder app on computer by connecting the phone.

follow these steps. - https://support.apple.com/en-ca/HT204306

• If your phone was backed up with icloud follow this after reset to restore data from icloud. https://support.apple.com/en-us/HT204184
• if it data was not backed up. No luck. thats apple security

Follow the directions in the link above