settings lag?!

hey guys, one week ago i updated my S6 to 5.1.1 and since then when you enter the settings and start scrolling, the first couple of scrollings the phone lags, it sorts of jumps, i didn't have this issue when i had 5.0.2....can someone help? i have an "old" 5.1.1, the one with the S6 icons and not the NOTE 5