How to uninstall Android built-in system applications

    At the end of 2022, Xiaomi officially released MIUI14, saying that MIUI14 can delete all applications except the 8 core applications. However, after I updated MIUI14, it was not as I said, I was played like a monkey again. After thinking about it, how could a domestically produced room be so conscientious?

1. The cake of MIUI14

    First of all, the official website does have a statement, "There are only 8 apps that cannot be uninstalled". The following is the official website of "Sharp Newborn" on MIUI14:

MIUI 14 is reborn lighter /smoother/safer/more user-friendly https://home.miui.com     This is the video of the [System Occupancy is greatly reduced] section I intercepted from the official website:

    However, there are also different voices on the Internet, such as:

Only new Xiaomi phones released after October 2022 will support uninstallation.

     Another example:

There are only 8 applications that cannot be uninstalled, which refer to applications that have icons on the desktop but cannot be uninstalled.

    To sum up: Most of the junk system apps still cannot be deleted, especially some useless system apps that run in the background without icons and take up a lot of memory.

Two, adb shell pm uninstall application

    Since the official still does not support it, is there any easy way for us to uninstall these unused applications? Of course it is possible. This article uses the adb shell pm command to delete the system applications that come with the Xiaomi phone, and other Android phones are similar.

    Taking Xiaomi as an example, many built-in applications of Xiaomi can be deleted in the application management interface, such as infrared remote control, reading more, etc., and after uninstalling, they can also be downloaded through the Xiaomi App Store. Therefore, this article mainly talks about how to uninstall applications that are not uninstalled through the application management panel.

    Of course, I am afraid that if an important system application is deleted and it will be bricked, I will use my backup Redmi k30 machine to do it. Before uninstalling, there were 312 apps.

Export the package names of all installed applications through adb shell pm list packages > test.txt. as follows:

package:com.miui.screenrecorder
package:com.android.cts.priv.ctsshim
package:com.qualcomm.qti.qms.service.telemetry
package:com.android.internal.display.cutout.emulation.corner
package:com.google.android.ext.services
package:com.android.internal.display.cutout.emulation.double
package:com.android.providers.telephony
package:com.android.dynsystem
package:com.miui.powerkeeper
package:com.unionpay.tsmservice.mi
package:com.miui.qr
package:com.android.providers.calendar
package:com.miui.contentcatcher
package:com.android.providers.media
package:com.milink.service
package:com.miui.dmregservice
package:com.google.android.onetimeinitializer
package:com.google.android.ext.shared
package:com.android.internal.systemui.navbar.gestural_wide_back
package:com.xiaomi.powerchecker
package:com.xiaomi.account
package:com.android.wallpapercropper
package:com.bsp.catchlog
package:com.xiaomi.cameratools
package:miui.systemui.plugin
package:com.xiaomi.mi_connect_service
package:com.xiaomi.micloud.sdk
package:com.sankuai.meituan
package:com.android.protips
package:com.miui.packageinstaller
package:com.android.updater
package:com.android.externalstorage
package:com.qualcomm.uimremoteclient
package:com.xiaomi.gamecenter.sdk.service
package:com.android.htmlviewer
package:com.miui.extraphoto
package:com.miui.securityadd
package:com.android.companiondevicemanager
package:com.miui.gallery
package:com.android.quicksearchbox
package:com.android.mms.service
package:com.qualcomm.qti.qms.service.connectionsecurity
package:com.android.providers.downloads
package:com.xiaomi.payment
package:com.android.networkstack.inprocess
package:com.miui.securitycenter
package:com.android.internal.systemui.onehanded.gestural
package:vendor.qti.hardware.cacert.server
package:cmb.pb
package:com.MobileTicket
package:com.qualcomm.qti.telephonyservice
package:com.android.browser
package:com.miui.systemAdSolution
package:com.xiaomi.aiasst.vision
package:com.miui.tsmclient
package:com.qualcomm.qti.ridemodeaudio
package:com.baidu.hi
package:vendor.qti.iwlan
package:com.google.android.configupdater
package:com.android.soundrecorder
package:com.baidu.input_mi
package:com.qualcomm.uimremoteserver
package:com.miui.guardprovider
package:android.qvaoverlay.common
package:com.android.providers.downloads.ui
package:com.android.vending
package:com.android.pacprocessor
package:com.android.simappdialog
package:com.miui.backup
package:com.android.settings.overlay.miui
package:com.miui.notification
package:android.overlay.common
package:com.android.connectivity.resources
package:com.miui.micloudsync
package:com.lilithgames.hgame.cn
package:com.tencent.mm
package:com.android.internal.display.cutout.emulation.hole
package:com.android.internal.display.cutout.emulation.tall
package:com.miui.daemon
package:com.miui.core.internal.assistant
package:com.xiaomi.ab
package:com.android.networkstack.overlay
package:com.android.modulemetadata
package:com.android.certinstaller
package:com.miui.vipservice
package:com.android.carrierconfig
package:com.google.android.marvin.talkback
package:com.wapi.wapicertmanage
package:com.android.internal.systemui.navbar.threebutton
package:com.qti.qualcomm.datastatusnotification
package:android
package:com.android.systemui.notch.overlay
package:com.android.contacts
package:com.qualcomm.wfd.service
package:com.miui.hybrid
package:android.miui.overlay
package:com.miui.vsimcore
package:com.miui.securitycore
package:com.mi.health
package:com.qti.qualcomm.deviceinfo
package:com.rongcard.eid
package:com.app.shanghai.metro
package:com.android.mms
package:com.android.mtp
package:com.android.nfc
package:com.android.ons
package:com.android.stk
package:com.android.backupconfirm
package:com.xiaomi.simactivate.service
package:com.mfashiongallery.emag
package:com.goodix.gftest
package:com.miui.phrase
package:com.miui.miservice
package:com.android.provision
package:org.codeaurora.ims
package:com.android.statementservice
package:android.overlay.target
package:com.miui.system
package:com.android.settings.intelligence
package:com.android.calendar
package:com.miui.translation.kingsoft
package:com.miui.catcherpatch
package:com.miui.miwallpaper.overlay.customize
package:com.android.internal.systemui.navbar.gestural_extra_wide_back
package:com.miui.systemui.devices.overlay
package:com.miui.compass
package:com.qualcomm.qti.dynamicddsservice
package:com.miui.cit
package:com.miui.rom
package:com.miuix.editor
package:com.qualcomm.qcrilmsgtunnel
package:com.android.providers.settings
package:com.miui.vpnsdkmanager
package:com.android.sharedstoragebackup
package:com.xiaomi.location.fused
package:com.gh.gamecenter
package:com.android.printspooler
package:com.miui.personalassistant
package:com.miui.misound
package:com.android.wifi.resources.overlay.common
package:org.ifaa.aidl.manager
package:com.android.dreams.basic
package:com.google.android.overlay.modules.ext.services
package:com.android.incallui
package:com.android.systemui.gesture.line.overlay
package:com.fido.xiaomi.uafclient
package:com.miui.bugreport
package:com.android.se
package:com.android.inputdevices
package:com.fido.asm
package:com.qti.slaservice
package:com.android.bips
package:com.qti.dpmserviceapp
package:com.android.fileexplorer
package:com.qti.xdivert
package:com.miui.voicetrigger
package:com.xiaomi.macro
package:com.xiaomi.mircs
package:com.android.systemui.overlay.miui
package:com.android.settings.overlay.common
package:com.google.android.overlay.gmsconfig
package:com.miui.translation.youdao
package:com.miui.mediafeature
package:com.miui.cloudbackup
package:com.miui.face.overlay.miui
package:com.android.cellbroadcastreceiver
package:com.google.android.webview
package:com.google.android.overlay.modules.documentsui
package:com.mipay.wallet
package:com.android.server.telecom
package:com.android.server.telecom.overlay.miui
package:com.android.cellbroadcastservice
package:com.android.keychain
package:com.qti.snapdragon.qdcm_ff
package:com.android.wifi.resources.overlay.target
package:com.android.camera
package:com.xiaomi.xmsf
package:com.google.android.gms
package:com.google.android.gsf
package:com.android.wifi.resources
package:com.android.phone.overlay.common
package:com.android.carrierconfig.overlay.common
package:com.android.calllogbackup
package:com.miui.freeform
package:com.xiaomi.miaudiovisual
package:android.aosp.overlay
package:com.android.systemui.overlay.common
package:com.tencent.mobileqq
package:com.android.cameraextensions
package:com.xiaomi.xmsfkeeper
package:com.android.server.telecom.overlay.common
package:com.android.localtransport
package:com.android.carrierdefaultapp
package:com.miui.wallpaper.overlay.customize
package:com.qualcomm.qti.remoteSimlockAuth
package:com.xiaomi.finddevice
package:com.qualcomm.qti.devicestatisticsservice
package:com.android.theme.font.notoserifsource
package:com.android.proxyhandler
package:com.xiaomi.joyose
package:com.android.internal.display.cutout.emulation.waterfall
package:com.qualcomm.qti.workloadclassifier
package:com.miui.newhome
package:com.miui.nextpay
package:com.miui.notes
package:com.miui.wmsvc
package:com.xiaomi.market
package:com.xiaomi.misettings
package:com.google.android.printservice.recommendation
package:com.xiaomi.mirror
package:com.miui.translationservice
package:com.miui.cloudservice
package:com.android.managedprovisioning
package:com.miui.hybrid.accessory
package:com.fingerprints.sensortesttool
package:com.miui.core.internal.editor.services
package:com.android.soundpicker
package:com.tencent.soter.soterserver
package:com.google.android.documentsui
package:com.xiaomi.gnss.polaris
package:mos.tudourjk
package:com.android.dreams.phototable
package:com.miui.audiomonitor
package:com.xiaomi.otrpbroker
package:com.miui.translation.xmcloud
package:com.sohu.inputmethod.sogou.xiaomi
package:com.miui.touchassistant
package:com.xiaomi.mtb
package:com.baidu.BaiduMap
package:com.android.smspush
package:com.miui.calculator
package:com.android.wallpaper.livepicker
package:com.miui.cloudservice.sysbase
package:com.miui.miwallpaper
package:com.miui.securityinputmethod
package:com.android.systemui.navigation.bar.overlay
package:com.xiaomi.bluetooth
package:com.gameabc.sgspad
package:com.xiaomi.metoknlp
package:com.google.android.cellbroadcastservice.overlay.miui
package:com.miui.cleanmaster
package:com.android.storagemanager
package:com.miui.analytics
package:com.android.bookmarkprovider
package:com.android.settings
package:com.qualcomm.qti.cne
package:com.qualcomm.qti.lpa
package:com.qualcomm.qti.uim
package:com.miui.weather2
package:org.mipay.android.manager
package:com.android.networkstack.tethering.inprocess
package:com.android.networkstack.permissionconfig
package:com.modemdebug
package:com.qualcomm.location
package:com.android.cts.ctsshim
package:com.miui.mediaeditor
package:com.miui.yellowpage
package:com.miui.accessibility
package:com.qualcomm.qti.uimGbaApp
package:com.qti.diagservices
package:com.miui.systemui.carriers.overlay
package:com.miui.systemui.overlay.devices.android
package:com.android.vpndialogs
package:com.android.phone
package:com.android.overlay.gmstelephony
package:com.android.shell
package:com.android.wallpaperbackup
package:com.android.providers.blockednumber
package:com.miui.screenshot
package:com.android.overlay.gmstelecomm
package:com.android.providers.userdictionary
package:com.android.providers.media.module
package:com.android.emergency
package:com.android.hotspot2.osulogin
package:com.qualcomm.qti.xrcb
package:com.android.internal.systemui.navbar.gestural
package:com.android.location.fused
package:com.android.deskclock
package:com.android.systemui
package:com.miui.core.internal.services
package:com.android.wifi.resources.xiaomi
package:com.android.bluetoothmidiservice
package:com.qualcomm.qti.poweroffalarm
package:com.qti.ltebc
package:com.google.android.cellbroadcastreceiver.overlay.miui
package:com.qti.phone
package:com.android.permissioncontroller
package:com.android.thememanager
package:com.xiaomi.bsp.gps.nps
package:com.android.traceur
package:com.miui.fmservice
package:com.qualcomm.qti.gpudrivers.lito.api30
package:com.taobao.taobao
package:com.xiaomi.security.onetrack
package:com.xiaomi.smarthome
package:com.lbe.security.miui
package:com.android.bluetooth
package:com.qualcomm.timeservice
package:com.xiaomi.drivemode
package:com.qualcomm.atfwd
package:com.qualcomm.embms
package:com.android.providers.contacts
package:vendor.qti.imsrcs
package:com.android.captiveportallogin
package:com.android.internal.systemui.navbar.gestural_narrow_back
package:com.eg.android.AlipayGphone
package:com.android.cellbroadcastreceiver.overlay.common
package:com.miui.core
package:com.miui.face
package:com.miui.home
package:com.xiaomi.aiasst.service
package:com.miui.audioeffect

    It can be seen that there are many built-in apps, some of which are core applications, such as calling and sending text messages. There are also some built-in applications such as Xiaomi Video and Music, which can actually be replaced by third parties. Others are memory-hogging apps running in the background without icons.

    Don't talk nonsense, just cut to the point. Uninstall command: adb shell pm uninstall --user 0 package name, for example to uninstall Xiaomi video:

adb shell pm uninstall --user 0 com.miui.video

    After running, if success is displayed, the uninstallation is successful:

     If the package name is entered incorrectly, the uninstallation will fail, for example:

    Above we also exported the package names of all applications. There are more than 300 package names in total. How do we know the package names of each application? Here is a detail that is easily overlooked:

1. Enter the application management interface, click on the application you want to uninstall, take wallpaper as an example (of course, it is not recommended to uninstall wallpaper):

 2. Click the circled i in the upper right corner to see the package name:

3. List of unaffected applications after uninstallation 

    During the uninstall process, there were also several problems. For example, after I uninstalled the search device, it caused a toast to pop up all the time. It has been confirmed that there is no adverse reaction to the package name after deletion (long-term update):

adb shell pm uninstall --user 0 com.miui.video
adb shell pm uninstall --user 0 com.miui.player
adb shell pm uninstall --user 0 com.miui.contentextension
adb shell pm uninstall --user 0 com.xiaomi.gamecenter.sdk.service
adb shell pm uninstall --user 0 com.miui.touchassistant
adb shell pm uninstall --user 0 com.miui.yellowpage
adb shell pm uninstall --user 0 com.miui.accessibility
adb shell pm uninstall --user 0 com.xiaomi.mi_connect_service
adb shell pm uninstall --user 0 com.miui.personalassistant
adb shell pm uninstall --user 0 com.miui.voicetrigger
adb shell pm uninstall --user 0 com.miui.hybrid
adb shell pm uninstall --user 0 com.android.printspooler
adb shell pm uninstall --user 0 com.xiaomi.powerchecker
adb shell pm uninstall --user 0 com.xiaomi.mtb
adb shell pm uninstall --user 0 com.xiaomi.payment
adb shell pm uninstall --user 0 com.mipay.wallet
adb shell pm uninstall --user 0 com.miui.cloudbackup
adb shell pm uninstall --user 0 com.android.quicksearchbox
adb shell pm uninstall --user 0 com.miui.tsmclient
adb shell pm uninstall --user 0 com.xiaomi.xmsf
adb shell pm uninstall --user 0 com.miui.nextpay
adb shell pm uninstall --user 0 com.xiaomi.migameservice
adb shell pm uninstall --user 0 com.miui.carlink

可选（投屏、互传）：
adb shell pm uninstall --user 0 com.milink.service
adb shell pm uninstall --user 0 com.miui.mishare.connectivity

小爱
adb shell pm uninstall --user 0 com.miui.voiceassist
adb shell pm uninstall --user 0 com.xiaomi.aiasst.vision
adb shell pm uninstall --user 0 com.xiaomi.aiasst.service

    Note that the original installation package will not be deleted after uninstallation, so the memory will not be significantly reduced, and these built-in apps will also be installed again after restoring the factory settings.