how to downgrade in oreo m20

[princess102]

How to downgrade pie to oreo back???

Oreo is the best then pie

[kauafellipe23]

until today these updates have not arrived, I look forward to them because my M20 became a **bleep** after the Andoid pie

[kauafellipe23]

until today these updates have not arrived, I look forward to them because my M20 became a **bleep** after the Andoid pie