EMUI10
Ver:

10.0.0.157(C00E31R2P4) UP TO 👇
10.0.0.161(C00E32R2P4) UP TO 👇
10.0.0.165(C00E34R2P4)
This Version Is enabled Downgrade To EMUI 9

EMUI9
Ver:

9.1.0.257 (C00E253R2P1) UP TO EMUI10
EMUI 9 (blog Download Ver) UP TO 🖕