After you file

no. do not wait. it could take many months to resolve your 2020 refund issue. for that you need to contact the iRS

800-829-1040

First choose your language.

Then 2

Then 1

Then 3

Then 2

When asked for SSN  do nothing it will ask twice

Then 2

Then 4

You should then be transferred  to an agent, but there is likely to be a long wait.