Default [Q] 4G Icons

Hi,

Can I change the 3G icon in to an 4G?

It just doesnt show the 4G icon and I know I am using 4G because I did a Ookla Test. And i'm paying for 4G speed.
But I like the icon of 4G

Can somebody help me?

I am rooted on 4.4.2 and I know how to change the build.prop etc.

Big thanks!