Replying to my own message here since the initial message was character-limited.
Yes, I've called the IRS. "Due to extremely high call volume, your call cannot be completed. Go to www.blahblahblah."
Yes, I've been to the IRS website (https://www.irs.gov/refunds) and tried the "Check my refund status" button. Entered SS#, entered type of filing (single, married filing jointly, etc.) and entered the original refund amount (amount before amendment). Result:
Please Note:
For refund information, please continue to check here, or use our free mobile app, IRS2Go. Updates to refund status are made no more than once a day.
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That would all be fine except for the fact that it's been "under review" for over six months. I know it's COVID and all, but is there some way to see what the exact problem is?
