Yes, if your situation changed in 2020 and your income decreased, you may now be eligible for the Recovery Rebate Credit.
Per the IRS, your Recovery Rebate Credit amount will be phased out if your adjusted gross income for 2020 exceeds $150,000 if you are married filing a joint return or filing as a qualifying widow or widower, $112,500 if you are using the head of household filing status, or $75,000 if you are using any other filing status.