[Redmi 9A Questions & Answers] Quartz85:
Just follow the guide for redmi note 8.

1.Unlock bootloader with official tool download from miui.com (7 days wait)

2.Download Indian rom for Redmi 9A/9AT "Dandelion" V12.0.8.0.QCDINXM

3.Flash with Mi Flash Tool download from miui.com and run as administrator

4.Remember to select just "flash all .bat" and not "flash all .bay and relock"

5.Finish

--------------

6.I used adb for uninstall useless apps

Remember there are not all applications this is my list

adb shell pm uninstall -k --user 0 com.google.android.apps.docs # Google Drive

adb shell pm uninstall -k --user 0 com.google.android.apps.maps # Google Maps

adb shell pm uninstall -k --user 0 com.google.android.apps.photos # Google Photos

adb shell pm uninstall -k --user 0 com.google.android.apps.tachyon # Google Duo

adb shell pm uninstall -k --user 0 com.google.android.googlequicksearchbox # Google App

adb shell pm uninstall -k --user 0 com.android.emergency # Informazioni per le emergenze

adb shell pm uninstall -k --user 0 com.android.egg # Android EsterEgg

adb shell pm uninstall -k --user 0 com.google.android.music # Google Play Music

adb shell pm uninstall -k --user 0 com.google.ar.lens # Google Lens

adb shell pm uninstall -k --user 0 com.google.android.marvin.talkback # Google Talkback

adb shell pm uninstall -k --user 0 com.google.android.gm # Gmail

adb shell pm uninstall -k --user 0 com.android.chrome # Google Chrome

adb shell pm uninstall -k --user 0 com.google.android.youtube # Google YouTube

adb shell pm uninstall -k --user 0 com.google.android.apps.docs # Google Docs

adb shell pm uninstall -k --user 0 com.google.android.videos # Google Play Movies

adb shell pm uninstall -k --user 0 com.android.browser # Mi Browser

adb shell pm uninstall -k --user 0 ru.yandex.searchplugin # Yandex

adb shell pm uninstall -k --user 0 com.miui.bugreport # Mi Feedback

adb shell pm uninstall -k --user 0 com.miui.compass # Mi Compass

adb shell pm uninstall -k --user 0 com.miui.notes # Mi Notes

adb shell pm uninstall -k --user 0 com.miui.screenrecorder # Mi Screen Recorder

adb shell pm uninstall -k --user 0 com.miui.videoplayer # Mi Video

adb shell pm uninstall -k --user 0 com.miui.player # Mi Music

adb shell pm uninstall -k --user 0 com.xiaomi.midrop # Mi Drop

adb shell pm uninstall -k --user 0 com.xiaomi.scanner # Mi Scanner

adb shell pm uninstall -k --user 0 com.miui.cloudbackup # Cloud Backup

adb shell pm uninstall -k --user 0 com.miui.calculator # Mi Calculator

adb shell pm uninstall -k --user 0 com.android.calendar # Mi Calendar

adb shell pm uninstall -k --user 0 com.android.email # Email

adb shell pm uninstall -k --user 0 com.mi.android.globalFileexplorer # File Explorer

adb shell pm uninstall -k --user 0 com.miui.fm # Radio FM

adb shell pm uninstall -k --user 0 com.miui.gallery # Gallery

adb shell pm uninstall -k --user 0 com.xiaomi.glgm # Games

adb shell pm uninstall -k --user 0 com.xiaomi.payment # Mi Payment

adb shell pm uninstall -k --user 0 com.xiaomi.mirecycle # Mi Recycle

adb shell pm uninstall -k --user 0 com.miui.virtualsim # Mi Roming

adb shell pm uninstall -k --user 0 com.miui.miservice # Servizi & feedback

adb shell pm uninstall -k --user 0 com.miui.yellowpage # Yellow Pages

adb shell pm uninstall -k --user 0 com.xiaomi.simactivate.service # SIM Active Services

adb shell pm uninstall -k --user 0 com.miui.msa.global # MSA

adb shell pm uninstall -k --user 0 com.miui.analytics # MIUI Analytics

adb shell pm uninstall -k --user 0 com.miui.daemon # MIUI Daemon

adb shell pm uninstall -k --user 0 com.duokan.phone.remotecontroller # Mi Remote controller

adb shell pm uninstall -k --user 0 com.miui.enbbs # Xiaomi MIUI Forum

adb shell pm uninstall -k --user 0 com.duokan.phone.remotecontroller.peel.plugin # Peel Mi Remote

adb shell pm uninstall -k --user 0 com.xiaomi.mipicks # GetApps

adb shell pm uninstall -k --user 0 com.qualcomm.qti.haven.telemetry.service # Qualcomm Telemetry

adb shell pm uninstall -k --user 0 com.amazon.appmanager # Amazon Telemetry

# Cell Broadcast

adb shell pm uninstall -k --user 0 com.android.cellbroadcastreceiver

adb shell pm uninstall -k --user 0 com.android.cellbroadcast.overlay.common

# Facebook Apps

adb shell pm uninstall -k --user 0 com.facebook.appmanager

adb shell pm uninstall -k --user 0 com.facebook.services

adb shell pm uninstall -k --user 0 com.facebook.system

# Mi Pay

adb shell pm uninstall -k --user 0 com.mipay.wallet.id

adb shell pm uninstall -k --user 0 com.mipay.wallet.in