This is my personal experience on how I beat Midland Funding, LLC twice in court and is not legal advice, but I will share what worked for me. Also, I want to thank Credit Info Center and all the people who wrote in the forums sharing their experience as well.
The First Lawsuit
I first received a letter from the attorney who was acting as a debt collector representing Midland and at the time I was already familiar with the validation process thanks to this website, so I sent a debt validation letter to the attorney. What they sent back was a joke and most of what I requested