Default [Q] No service after trying LTE

Hi

I was playing around with my phone and tried the old hack through the settings screen, *#*#4636#*#*.
Switched it to LTE and set up a new APN for Rogers LTE.
It Didn't work. After more reading I discovered this wouldn't work for me anyway. I have Android 4.4.2 and I don't think my SIM is LTE enabled.
I rebooted thinking it would just go back to the original settings.
It seems to have gone back but now I have No signal at all.

I am with Rogers. I tried going back to the original APN settings and selecting Rogers.
The phone is finding the correct networks for my area.
I tried the Reset to default in the APN settings. This sets the APNs to Rogers LTE and chatr, not the original Rogers APN that I started with.

The phone is rooted but running stock Android 4.4.2.
The baseband seems correct.

What have I done and how do I fix it?
Have I done something to the Rogers SIM?

Thanks