Unhappy [Q] Data/Network Connection Issue Since 4.4.2 Update

I done a fairly amount of search to try solve and understand this issue prior to posting this question but i am a noob in much need of help.

Since updating my Galaxy S4 to the 4.4.2 software, I have been having mobile network connection issues. My data connection drops randomly weather am watching Netflix or browsing the internet.

Here is my phone info if it would be of any help to figure a solution.

Phone Model:
SGH-M919

Bootloader Version:
M919UVUAMDL

Baseband Version:
M919UVUFNB4

Rom:
Insane Kit Kat V9 4.4.2

Kernel:
3.4.0-talexop-2+-gb4fe160-dirtyroot@talexop-linux #4