Weekly Nougat 7.3.9 To Stable 8.2.2 Rom

[vedudnur]

Dear friends I want roll back from nougat 7.3.9 to stable 8.2.2 Rom because when I turned off miui optimisation from developer all my widgets gone then I reupdate 7.3.9 rom but still my widgets are gone Would you please help me to roll back.

Thanks and Regards All