Regrading SuperSU update: I have also updated my SuperSU version (to 2.82), and lost my root access (the root practically became nonfunctional)
To fix this, you don't have to dirty flash the entire rom (as suggested in earlier posts).
In case it's not a displaying problem - I use Wondershare MobileGo for Android.
Intall the free version, connect your phone to the computer, open the program and under "contacts" tab there is a "De-duplicate" button. It will help you merge duplic...