Wonder how much Apple runs iOS9 from cache? As I run through all the stuff on my 6S Plus (64GB AT&T) to see where I currently have issues and if they are critical I am seeing an icon drop. I'll go into the app and if it has icons at times they may show up as a blank or grey shape. If I clean out the cache or clean out the task manager (usually first option) on relaunch the app displays correctly. Here's an example: Anyone know?