Home Forums Digital Home & Smartphones Help Brief Blur on Android screen unlock. Forum Rules | Contact Forum Editor | Report a Post Brief Blur on Android screen unlock. Gummomarx 23:46 07 Jul 2018 Locked I had an upgrade to Oreo tonight on my Samsung Galaxy S7. Now, when I unlock my screen, there is a blurring effect on the screen - very brief, but long enough to be annoying to my old eyes. Any ideas? This thread is now locked and can not be replied to.