[Android Q&A, Help & Troubleshooting] mclaudio:
hello. i was able to delete some services with adb and system is a little bit fluid

adb shell

pm list packages -f

pm uninstall -k --user 0 com.my.demo.app

this is my current services list

' ' '

package:/system/priv-app/CtsShimPrivPrebuilt/CtsShimPrivPrebuilt.apk=com.android.cts.priv.ctsshim

package:/system/priv-app/MediaProvider/MediaProvider.apk=com.android.providers.media

package:/system/priv-app/WallpaperCropper/WallpaperCropper.apk=com.android.wallpapercropper

package:/system/priv-app/DocumentsUI/DocumentsUI.apk=com.android.documentsui

package:/system/app/AboutFiio/AboutFiio.apk=com.android.aboutfiio

package:/system/app/AirPlay/AirPlay.apk=com.wh

package:/system/priv-app/DefaultContainerService/DefaultContainerService.apk=com.android.defcontainer

package:/system/app/DownloadProviderUi/DownloadProviderUi.apk=com.android.providers.downloads.ui

package:/system/app/PacProcessor/PacProcessor.apk=com.android.pacprocessor

package:/system/app/CertInstaller/CertInstaller.apk=com.android.certinstaller

package:/system/priv-app/CarrierConfig/CarrierConfig.apk=com.android.carrierconfig

package:/system/framework/framework-res.apk=android

package:/data/app/com.fiio.music-1/base.apk=com.fiio.music

package:/system/priv-app/MtpDocumentsProvider/MtpDocumentsProvider.apk=com.android.mtp

package:/system/app/Launcher3/Launcher3.apk=com.android.launcher3

package:/system/priv-app/BackupRestoreConfirmation/BackupRestoreConfirmation.apk=com.android.backupconfirm

package:/system/priv-app/Provision/Provision.apk=com.android.provision

package:/system/priv-app/StatementService/StatementService.apk=com.android.statementservice

package:/system/priv-app/SettingsProvider/SettingsProvider.apk=com.android.providers.settings

package:/system/priv-app/SharedStorageBackup/SharedStorageBackup.apk=com.android.sharedstoragebackup

package:/system/app/BasicDreams/BasicDreams.apk=com.android.dreams.basic

package:/data/app/com.hiby.music-1/base.apk=com.hiby.music

package:/data/app/mdmt.sabp.free-1/base.apk=mdmt.sabp.free

package:/system/app/webview/webview.apk=com.android.webview

package:/system/priv-app/InputDevices/InputDevices.apk=com.android.inputdevices

package:/system/priv-app/MusicFX/MusicFX.apk=com.android.musicfx

package:/data/app/FiiOFileManager/FiiOFileManager.apk=com.example.resoucemanager

package:/system/app/ExtShared/ExtShared.apk=android.ext.shared

package:/system/priv-app/OneTimeInitializer/OneTimeInitializer.apk=com.android.onetimeinitializer

package:/data/app/com.qobuz.music-1/base.apk=com.qobuz.music

package:/system/app/KeyChain/KeyChain.apk=com.android.keychain

package:/system/priv-app/ExtServices/ExtServices.apk=android.ext.services

package:/system/priv-app/PackageInstaller/PackageInstaller.apk=com.android.packageinstaller

package:/system/priv-app/ProxyHandler/ProxyHandler.apk=com.android.proxyhandler

package:/system/app/LatinIME/LatinIME.apk=com.android.inputmethod.latin

package:/data/app/GalleryNew/GalleryNew.apk=com.fiio.image.imageloader

package:/system/priv-app/ManagedProvisioning/ManagedProvisioning.apk=com.android.managedprovisioning

package:/system/app/PhotoTable/PhotoTable.apk=com.android.dreams.phototable

package:/data/app/com.aspiro.tidal-1/base.apk=com.aspiro.tidal

package:/system/priv-app/Settings/Settings.apk=com.android.settings

package:/system/app/AodService/AodService.apk=com.example.aodservice

package:/system/app/CtsShimPrebuilt/CtsShimPrebuilt.apk=com.android.cts.ctsshim

package:/system/app/UsbAudioClass/UsbAudioClass.apk=com.android.usbaudioclass

package:/system/priv-app/VpnDialogs/VpnDialogs.apk=com.android.vpndialogs

package:/system/app/FiiOUpdate/FiiOUpdate.apk=com.android.fiioupdate

package:/system/priv-app/Shell/Shell.apk=com.android.shell

package:/system/app/WallpaperBackup/WallpaperBackup.apk=com.android.wallpaperbackup

package:/system/priv-app/BlockedNumberProvider/BlockedNumberProvider.apk=com.android.providers.blockednumber

package:/system/app/UserDictionaryProvider/UserDictionaryProvider.apk=com.android.providers.userdictionary

package:/system/priv-app/EmergencyInfo/EmergencyInfo.apk=com.android.emergency

package:/system/priv-app/FusedLocation/FusedLocation.apk=com.android.location.fused

package:/system/priv-app/SystemUI/SystemUI.apk=com.android.systemui

package:/system/app/BluetoothMidiService/BluetoothMidiService.apk=com.android.bluetoothmidiservice

package:/system/app/Bluetooth/Bluetooth.apk=com.android.bluetooth

package:/system/app/CaptivePortalLogin/CaptivePortalLogin.apk=com.android.captiveportallogin

' ' '