So for the last few days, every time I upload a photo to Instagram, the quality goes down and the photo appears with pixels! When I view a photo on Instagram, the quality is perfect, but immediately after it is posted or after a few hours, the quality is much lower. The size of my images is exactly the same as the images I upload since I started using instagram, as well as the required size to keep the photos in good quality. Also, all my apps are updated. I also use a SLR camera and an iPhone 5s. I updated my iOS 8 to 9 because I thought it was a problem, but nothing has changed! I'm sad that the quality of my photos suddenly dropped and because of this some even unsubscribed from me and the activity of people on my Instagram decreased, because I really didn't change anything in the way I edit them, in the settings or in sth. I'm confused, help me fix everything and get the activity back.