Enabling Hotspot/Tethering on an AT&T S6 Galaxy with an unlimited data plan

So I don't post much so bear with me.
I was looking for a solution to enable the hotspot on my rooted AT&T Galaxy S6. I ran across the following post that requires flash fire and a file that appears to modify the framework-res.apk.
http://forum.xda-developers.com/att-...build-t3115789

I am new to changing my android OS so I wanted a solution that instead modified the Tethering App itself.

I found the following post for enabling wifi tethering/hotspot on AT&T lollipop devices by changing the tetheringprovision.apk file.
http://forum.xda-developers.com/note...ooted-t3131646

I then found information on enabling tethering for an S6 on the T-mobile network that included additional steps. Like deleteing the arm64 folder (I just renamed mine) and refreshing the APN (I suspect this is done because they also change the customer.xml file that builds the default APN).

So I performed the following actions and was able to enable wifi hostspot on my AT&T Galaxy S6 with an unlimited data plan

1. Download the tetheringprovision.apk file on a rooted S6


2. Use a file explorer program like ES File Explorer rename the original tetheringprovision.apk to tetheringprovision.apk1


3. to copy the file from the download folder to the folder /system/app/TetheringProvision (in ES File Explorer you may need to enable root explorer to allow the copy)


4. Modify the permissions of the file (Used ES File Explorer under properties of the file)


5. Renamed the arm64 folder to arm64.old


6. Rebuilt the APN (Probably did not need to do this step)


7. Restarted the phone

If this works for you let me know.
PS: Does anyone know how to avoid detection?