Default [Q] Samsung galaxy s4 google play edition

Hello i have a Samsung galaxy s4 and i flashed cyanogenmod 10.2 on my device without having made a backup. After that i installed the google play edition my s4 it says its a gt-i95905g and i wanted to know first where i can find the stock samsung firmware because hotfiles page is down and i cant download it. And the second question is i have kit kat 4.4 when i will recieve 4.4.2 kitkat? do i have to install it manually or it will comes over ota? im not a expert so i thought someone can helps me..

thanks