How rollback to miui 9 from miui 10


ricain

Members
Dec 12, 2016
32
20
Hi,

I've miui 10.2.1.0 but i want rollback to miui 9 because battery drain.
I've flash with rom miui 9.5.2 but the phone enter in loop, back to miui 10... how do this? any tutorial?

thank you for help.
 
i've run command on command line for view anti but empty:
1549555738780.png


Why not successfull downgrade if anti is blank?