from https://forum.xda-developers.com/t/uninstall-bloatwares-no-root.4321387/
adb shell
# List packages
cmd package list packages
# Uninstall the application (remove the "package:" if you used the previous command to list them)
pm uninstall -k --user 0 <package-name>
# -k : Keep the data and cache directories around after package removal.
# --user 0: The user to disable
# Re-install an uninstalled package
cmd package install-existing <package-name>
# List all packages you uninstalled. Run it from a bash shell: not in adb shell
diff <(adb shell pm list packages) <(adb shell pm list packages -u) -n | grep ^package:pm uninstall -k --user 0 com.google.android.apps.googleassistant
pm uninstall -k --user 0 com.google.android.apps.subscriptions.red
pm uninstall -k --user 0 com.google.android.googlequicksearchbox
pm uninstall -k --user 0 com.android.browser # Mi Browser. It's a buggy unnecessary mess. Recommend you use other browsers like Chrome.
pm uninstall -k --user 0 cn.wps.xiaomi.abroad.lite # WPS Office. Has been flagged for years for malware. This was banned in India for a reason.
pm uninstall -k --user 0 com.ebay.carrier # In case bloatware from Ebay is installed.
pm uninstall -k --user 0 com.facebook.services # In case Facebook bloatware was preinstalled.
pm uninstall -k --user 0 com.facebook.system # Also Facebook bloat.
pm uninstall -k --user 0 com.facebook.appmanager # Also Facebook bloat.
pm uninstall -k --user 0 com.mi.globalbrowser # Also part of Mi Browser.
pm uninstall -k --user 0 com.micredit.in # Mi Credit. Basically useless if you live outside India.
pm uninstall -k --user 0 com.mipay.wallet.in # Part of Mi Credit.pm uninstall -k --user 0 com.miui.videoplayer # Mi Video player. Uninstall if you prefer to use MX Player or VLC that actually support more formats.
pm uninstall -k --user 0 com.miui.cleanmaster # Together with WPS Office, Cleaner Master was found to be affiliated with Cheetah Mobile, that included spyware and adware in their software.
pm uninstall -k --user 0 com.miui.hybrid # Found to be a data mining app that unnecesarily uses your phone's resources.
pm uninstall -k --user 0 com.miui.hybrid.accessory # Also a data mining app. Very recommend that you get rid of this.
pm uninstall -k --user 0 com.miui.micloudsync # Include if you don't use Mi Cloud.
pm uninstall -k --user 0 com.miui.msa.global # MSA. This is the main service that displays ads in Xiaomi phones. This is already removed in Xiaomi.EU.
pm uninstall -k --user 0 com.miui.notes # Include if you use other notes apps.
pm uninstall -k --user 0 com.miui.player # Include if you don't use Xiaomi's music app.
pm uninstall -k --user 0 com.miui.weather2 # Include if you use other apps to get the weather like Google or Yahoo.
pm uninstall -k --user 0 com.xiaomi.midrop # Breaks screen cast feature
pm uninstall -k --user 0 com.xiaomi.miplay_client # Mi Play. This is an unnecessary process that hasn't really been used for years.
pm uninstall -k --user 0 com.xiaomi.glgm # Mi Games. Very unncessary.
pm uninstall -k --user 0 com.xiaomi.mipicks # Very unnecessary. Xiaomi's way to advertise their own apps.
pm uninstall -k --user 0 com.xiaomi.joyose # Junk and safe to remove.
pm uninstall -k --user 0 com.xiaomi.payment # Unless you live in China or India, Xiaomi's own payment service is redundant and unnecessary.