how I remove the block phone with my avast account?

Good morning:
I changed my phone and I forgot to removed the old phone from my Avast account now, phone is blocked, I put the SIM card again and isn’t recognized.
what do I have t o do?
Thanks

You don’t need a Poll. and should be asking your question in the following forum:
https://forum.avast.com/index.php?board=37.0