You can access and make changes to your submission until the submission deadline.
Navigate to the homepage of the hackathon you’re entering. (If you can’t remember the URL, you can find a list of hackathons with open submission periods on Devpost’s Hackathons Page.
Once you're on the homepage of the hackathon you’re entering, click the “Manage your submission” button on the right side.
You’ll then be able to select the submission that you want to edit, message a manager about your submission, or enter a new submission. If you choose to edit your submission, don’t forget to complete all of the required fields on the submission form and click the"Submit" button at the bottom of the page.