Downgrade Android 9 pie to 8 oreo

Hi, i will downgrade your device to the latest official android 8 i fixed hundreds of smartphones in the past 3 years, i will root/unroot, install custom recovery or official recovery, install official android 8 rom or custom rom, i will also check the bugs you have in your phone and if there's any thing i can do about them, i will also show you how to do it so next time when something happen to your device, you'll be able to fix it by yourself please check my profile, i completed a similaire project Why $35 and not $30 ? because i'm broke, i have $0 in my balance, and freelancer will cut $5 so in order to make a cash out i need at least $30 i promise i will work hard for that $35 Thanks

I have been using android for years, I will be able to assist

I am android developer having 6+ years experience. I have worked on Android Open Source Code for 3 years. i have root many devices like Samsung, Asus and Mi devices also can help to you to downgrade your system.

I have lots of experience in android roms and many more custom roms. I'm suru you will be fully satisfied with my work.