Follow this step-by-step guide to submit an appeal for your suspended app:
Step 1: Go to Appeal Form on Play Console Help page and fill out the form

1. Go to http://drive.google.com/
2. Click '+ New' button and select File Upload
3. Select your app's APK file from your filesystem
4. Once uploaded click 'insert_link' button on top of page to copy a link to your APK
I had this application, dsfa, for some time on Google Play.
When I found out that the app violates your Device and Network Abuse Policy and I started looking for a solution.
But, unfortunately, I didn’t have enough time to make appropriate updates due to the fact that my third-party developer gave me incorrect and confusing information about app code. I was actively looking for a solution from another party, but as I found the one - when code connected with detected violation was deleted, it was too late. As a result, I got the email notice about app suspension. I failed to ask for an extension of time before the deadline passed.
I’m kindly asking you to take into consideration my situation and give me a chance to restore my app with updated APK file.
I understand the terms and policy of Google Play completely. And I promise to always respect them.
I’d appreciate your cooperation.
Thank you & Best Regards."
Your form should look like this:
Step 2: Click 'SUBMIT' button to submit your appeal.
Step 3: Wait up to 48 hours to receive a reply from Google Play team
And you did it!