check your 2020 account transcript with the IRS to see if it shows the refund being issued. It could have gotten lost. if it shows the refund was made filing an amended return won't help you. you need to contact the iRS.
https://www.irs.gov/individuals/get-transcript
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
