SIM card unrecognized

[REDACTED]

I don't care if this has been posted before or not. I searched the forums and found no answer that solved my issue. I have only used Avast AT on my current phone. I have only ever had one sim card. Yet I cannot use AT because my "SIM card is unrecognized". I have tried:

-Marking my phone as found, both through SMS and Online. No results
- Removing and re-inserting the SIM card. No results.
- Restarting my phone. No results.
- Logging out of and back into my avast account. No results.
- Checking that Avast has full permissions. No results.

How in the heck do I make Avast recognize my SIM? This is more complicated than it should be. 

Any assistance in this would be greatly appreciated.

[Eddy]

You can't use AT as standalone tool anymore.
It has been withdrawn from the store and is now part of the paid version of AMS.

A new version 1.6.3(?) is about to be released.
You can (if you want of-course) already get the beta.

[Asyn]

A new version 1.6.3(?) is about to be released.

Almost right Eddy, it's AMS V6.3.x Cheers.