JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Unfortunately it is not possible to restore deleted image or submission data. Please be noted that once a submission submission record is deleted, it is deleted permanently from the system.
Though you can get the submission data form the submission emails you must have received but it is not possible to get the uploaded files. You can also check your account "Email History" to get the list of submission emails you have received: https://www.jotform.com/help/293-How-to-view-all-your-form-Email-History
You should always integrate your form with dropbox or google drive etc. When the form is submitted, a copy of uploaded file including the submission PDF will be uploaded to the integrated account. The following guide should help you: