You can get it at sammobile:
http://www.sammobile.com/firmwares/
Sent from my SGH-M919 using XDA Premium 4 mobile app
Here's a mirror:
http://true-android.blogspot.com/2014/03/m919uvufnb4-android-442-kitkat-firmware.html?m=1
Sent from my SGH-M919 using XDA Premium 4 mobile app
Here's a mirror:
http://true-android.blogspot.com/2014/03/m919uvufnb4-android-442-kitkat-firmware.html?m=1
Sent from my SGH-M919 using XDA Premium 4 mobile app
already tried that link before. never succeeded even 1% in an hour.