After I updated to 8.1 my 520 has been really laggy. It takes up to ten seconds to open an app, I get the "resuming..." Message nearly every time I exit an app, and its just all around slow in everything that it does. Any thoughts on this?
Mine was very laggy when I updated my 520 and moved my apps to the SD card , it got really slow that I had to hard reset the phone and change my settings to save my apps on phone instead of the SD card