Default [Q] I9505 after updating to 4.3 my wifi signal strenght dropped a lot

It didnt have any problem until >>>>>> I9505XXUENA4 this. Since I cant go back to 4.2.2 should I wait for the official 4.4 update and hope the wifi problem will be gone or what should I do :| . Please if anyone had this problem or knows how to fix it help me .