You should not amend until the first return has fully processed and you get the first refund or your tax due payment has cleared.
The 2021 1040X amended return won't be ready until March 17, 2022.
How to Amend
https://ttlc.intuit.com/community/amending/help/how-to-amend-change-or-correct-a-return-you-already-...
