I had F1 visa from 1998-2002. J1 2002-2008. Green Card 2008-2021. I left US and revoked my Green Card on June 2021. Should I file dual status tax return?

I tried to file 1040NR for the end of 2021, but Sprintax expert told me I could never file 1040NR since I have surpassed my visa type's exemption. It doesn't sound reasonable. I do not pass the green card test, neither the substantial test...