iOS 15.6 update 30/7/22
After the iOS 15.6 update I have noticed that the volume on the phone when ringing drops so you can hardly hear it. Resulting in missed calls If you try to increase the volume it cuts off. This is for vibrant as well. Also in Safari the book marks have all moved and when you try to get them in order they just move again. Using an I phone 11
iPhone 11