When they flip the switch on CDMA...

[TheAmazingDave]

Will my UICC card for LTE stay activated on my current plan, or will I be forced out of my $55 unlimited?

 

[Rukbat]

That will be up to the marketing department of your carrier. Considering some of the more stupid marketing decisions made in the past decade or so ...

 

[new optimus]

Will my UICC card for LTE stay activated on my current plan, or will I be forced out of my $55 unlimited?

Is your phone VOLTE capable? I am fairly sure the galaxy s3 is, I am also sure others are.

The working plan, posted before the merger though, is that those phones will still get service as the lte radio will still get signal.