[Xiaomi Mi 11] Plathoon:
Ok.

So new installation with MIUI 12.6 21.3.31.

This is what i have debloat on my phone :

adb devices

adb shell

pm uninstall --user 0 com.mi.globalbrowser

pm uninstall --user 0 cn.wps.moffice_eng.xiaomi.lite

pm uninstall --user 0 com.xiaomi.macro

pm uninstall --user 0 com.mi.health

pm uninstall --user 0 com.miui.zman

pm uninstall --user 0 com.miui.freeform

pm uninstall --user 0 com.miui.miwallpaper.earth

pm uninstall --user 0 com.miui.miwallpaper.mars

pm uninstall --user 0 com.miui.newmidrive

pm uninstall --user 0 cn.wps.xiaomi.abroad.lite

pm uninstall --user 0 com.xiaomi.miplay_client

pm uninstall --user 0 com.miui.mishare.connectivity

pm uninstall --user 0 com.miui.huanji

pm uninstall --user 0 com.xiaomi.mirecycle

pm uninstall --user 0 com.miui.cloudbackup

pm uninstall --user 0 com.miui.backup

pm uninstall --user 0 com.mfashiongallery.emag

pm uninstall --user 0 com.miui.accessibility

pm uninstall --user 0 com.xiaomi.account

pm uninstall --user 0 com.xiaomi.xmsf

pm uninstall --user 0 com.xiaomi.mirror

pm uninstall --user 0 com.xiaomi.simactivate.service

pm uninstall --user 0 com.miui.cloudservice.sysbase

pm uninstall --user 0 com.mi.webkit.core

pm uninstall --user 0 com.sohu.inputmethod.sogou.xiaomi

pm uninstall --user 0 com.bsp.catchlog

pm uninstall --user 0 com.miui.vsimcore

pm uninstall --user 0 com.xiaomi.scanner

pm uninstall --user 0 com.miui.greenguard

pm uninstall --user 0 com.miui.android.fashiongallery

pm uninstall --user 0 com.miui.cloudservice

pm uninstall --user 0 com.miui.micloudsync

pm uninstall --user 0 com.miui.enbbs

pm uninstall --user 0 com.mi.android.globalpersonalassistant

pm uninstall --user 0 com.mi.globalTrendNews

pm uninstall --user 0 com.milink.service

pm uninstall --user 0 com.mipay.wallet.id

pm uninstall --user 0 com.mipay.wallet.in

pm uninstall --user 0 com.miui.analytics

pm uninstall --user 0 com.miui.bugreport

pm uninstall --user 0 com.miui.cleanmaster

pm uninstall --user 0 com.miui.hybrid.accessory

pm uninstall --user 0 com.miui.miwallpaper

pm uninstall --user 0 com.miui.msa.global

pm uninstall --user 0 com.miui.touchassistant

pm uninstall --user 0 com.miui.translation.kingsoft

pm uninstall --user 0 com.miui.translation.xmcloud

pm uninstall --user 0 com.miui.translation.youdao

pm uninstall --user 0 com.miui.translationservice

pm uninstall --user 0 com.miui.userguide

pm uninstall --user 0 com.miui.virtualsim

pm uninstall --user 0 com.miui.yellowpage

pm uninstall --user 0 com.miui.videoplayer

pm uninstall --user 0 com.miui.player

pm uninstall --user 0 com.miui.screenrecorder

pm uninstall --user 0 com.miui.compass

pm uninstall --user 0 com.xiaomi.vipaccount

pm uninstall --user 0 com.xiaomi.channel

pm uninstall --user 0 com.mipay.wallet

pm uninstall --user 0 com.xiaomi.pass

pm uninstall --user 0 com.xiaomi.shop

pm uninstall --user 0 com.xiaomi.joyose

pm uninstall --user 0 com.miui.fm

pm uninstall --user 0 com.mi.liveassistant

pm uninstall --user 0 com.xiaomi.gamecenter.sdk.service

pm uninstall --user 0 com.xiaomi.payment

pm uninstall --user 0 com.baidu.input_mi

pm uninstall --user 0 com.xiaomi.ab

pm uninstall --user 0 com.xiaomi.jr

pm uninstall --user 0 com.baidu.duersdk.opensdk

pm uninstall --user 0 com.miui.hybrid

pm uninstall --user 0 com.baidu.searchbox

pm uninstall --user 0 com.xiaomi.glgm

pm uninstall --user 0 com.xiaomi.midrop

pm uninstall --user 0 com.xiaomi.mipicks

pm uninstall --user 0 com.miui.personalassistant

pm uninstall --user 0 com.miui.cit

pm uninstall --user 0 com.miui.qr

pm uninstall --user 0 com.miui.nextpay

pm uninstall --user 0 com.xiaomi.o2o

pm uninstall --user 0 com.miui.miwallpaper.miweatherwallpaper

pm uninstall --user 0 com.miui.miwallpaper.snowmountain

pm uninstall --user 0 com.miui.miwallpaper.geometry

pm uninstall --user 0 com.miui.miwallpaper.saturn

pm uninstall --user 0 com.mi.globalbrowser

pm uninstall --user 0 com.mi.health

pm uninstall --user 0 com.google.ar.lens

pm uninstall --user 0 com.android.email

pm uninstall --user 0 com.xiaomi.payment

pm uninstall --user 0 com.miui.videoplayer

pm uninstall --user 0 com.miui.player

pm uninstall --user 0 com.miui.huanji

pm uninstall --user 0 com.miui.personalassistant

pm uninstall --user 0 com.xiaomi.migameservice

pm uninstall --user 0 com.android.protips

pm uninstall --user 0 com.xiaomi.mi_connect_service

pm uninstall --user 0 com.google.android.apps.cloudprint

pm uninstall --user 0 com.google.android.apps.setupwizard.searchselector

pm uninstall --user 0 com.google.android.pixel.setupwizard

pm uninstall --user 0 com.google.android.calculator

pm uninstall --user 0 com.google.android.apps.recorder

pm uninstall --user 0 com.google.android.printservice.recommendation

pm uninstall --user 0 com.google.android.apps.books

pm uninstall --user 0 com.google.android.apps.cloudprint

pm uninstall --user 0 com.google.android.apps.currents

pm uninstall --user 0 com.google.android.apps.fitness

pm uninstall --user 0 com.google.android.apps.plus

pm uninstall --user 0 com.google.android.apps.tachyon

pm uninstall --user 0 com.google.android.music

pm uninstall --user 0 com.google.android.apps.wellbeing

pm uninstall --user 0 com.google.android.videos

pm uninstall --user 0 com.google.tango.measure

pm uninstall --user 0 com.google.android.youtube

pm uninstall --user 0 com.google.android.apps.docs

pm uninstall --user 0 com.google.ar.lens

pm uninstall --user 0 com.google.android.soundpicker

pm uninstall --user 0 com.google.ar.core

pm uninstall --user 0 com.google.android.projection.gearhead

pm uninstall --user 0 com.google.android.marvin.talkback

And I also used "Xiaomi ADB-Fastboot Tool" (look attach files)

In case of problem (update, application crash, missing notifications, ...) I will give you my feedback.