Or they are waiting for iOS 10.1 that includes full portrait mode. https://9to5mac.com/2016/09/21/hands-on-portrait-mode-beta-iphone-7-plus/ https://9to5mac.com

Or they are waiting for iOS 10.1 that includes full portrait mode. https://9to5mac.com/2016/09/21/hands-on-portrait-mode-beta-iphone-7-plus/ https://9to5mac.com/2016/09/21/hands-on-portrait-mode-beta-i... That was a big selling point during the announcement of the iPhone 7+, so seems worth waiting for that feature to be ready before completing the review.