Default 4.1.2 rom issues !!! .....please help.

hi all,

i tried to flash my s3 mini with custom kitkat rom one month ago...after that i reflashed my device with stock 4.1.2 from sammobile, now i am facing real issues with it compared to the stock rom came with the device, such as: i cant move icons between pages in app drawer even in customizable sort by.

please can you help me with it ... i already tried to wipe data and did not work with me.