Screenshot Properties
Screenshot requirements are:
1. High-quality JPEG or PNG image file format
2. 72 dpi, RGB, flattened, no transparency
3. Two of the following sizes required:
– 2048 x 2732 pixels for hi-res portrait (9.7-Inch Retina Display and 12.9-inch Display Screenshots)
– 1242 × 2208 pixels for hi-res portrait (5.5-Inch Retina Display Screenshots)