I forgot my passcode for my iPhone 7

The only way you can reset the passcode without a computer is if you have iOS version 15.2 or higher installed on your iPhone 7. If you do, then review this guide published by Apple 👉How to remove your iPhone passcode without a computer

Axel F.

You will need to restore the device using a computer. The process will erase the device. Later you can restore your data from a recent back-up. Instructions here…

If you forgot your iPhone passcode - Apple Support

If you do not have a computer, perhaps a friend could help or you can make an appointment at the nearest Apple Store for assistance...

Apple Store - Find a Store - Apple

Click ▶︎ Factory Reset iPhone. 📲