iPhone 13 Pro Max design has been suggested in a hands-on video showing off its purported dummy. The new iPhone model, which is likely to be a part of the company’s 2021 iPhone lineup, appears to have a thinner notch over the iPhone 12 Pro Max. The iPhone 13 Pro Max is also rumored to carry an all-new camera system at the back, with bigger sensors. The rumor mill has also suggested that the iPhone 13 Pro Max would come with a 120Hz display. However, this isn’t something that can be judged…