Google Verify Loop Android 5.1 (LG G STYLO)

So i have metropcs Lg g stylo, i updated via kdz to 10j.... i no longer have twrp and it reset my phone. I thought it was due to password so i changed it, i waited 72 hours and still sign into my phone. I get an error page that says

There's a problem signing in to your
Google Account on this device, Please sign in from a browser on your computer or tablet first, then try signing in again on this device.

So i tried that and still cant sign into my phone =( I really need to get passed this google screen so i can make calls and send out texts.

Can anyone verify this root method?

ww.andromods.com/news-root/lollipop-oaf-vzw-galaxy-note-4(dot)h t m l

I saw this and am wondering if it is good. It mentions devs from here, so I figured that I would ask the experts.

How to verify proper Radio loaded?

I am not sure I have the proper Radio flashed? How dp I verify what I have and what should I have?
How do I display tower ID and information.
T-mobile tells me that I should be connected to new tower band 12?
I have S6 SM-G920T with 5.1.1 rooted by XDA no-Konx method.
Bootloader: FA50_G920TUVU2AOE4
PDA & Baseband: G920TUVU2DOH6
CSC: G920TTMB2DOH6
Latest firmware: G920tuvu3doi1
Kernel: 3.10.61 , aou@lennear.com #1