2022年年底，小米正式发布了MIUI14，说MIUI14可以删除8个核心应用以外的所有应用。然而我更新MIUI14后，并不像说的那样，再一次被当猴耍了。转念一想，国产的room怎么会做到这么良心呢？
一、MIUI14的大饼
首先，官网确实有说法的，"不可卸载应用仅8个"，以下是MIUI14高大上的『锐意新生』官网：
MIUI 14 锐意新生更轻巧 / 更流畅 / 更安全 / 更人性化
https://home.miui.com 这是我从官网截取到的【系统占用 大幅精简】部分的视频：
不过，网上也有不一样的声音，比如：
2022年10月之后新发售的小米手机才支持卸载。
再比如：
不可卸载的应用仅8个，指的是桌面有图标但是不可卸载的应用。
总结一下：仍然删不了绝大多数的垃圾系统应用，特别是一些没有图标在后台一直运行占用大量内存的无用系统app。
二、adb shell pm卸载应用
既然官方仍然不支持，我们有没有什么简单的方法去卸载这些不使用的应用呢？当然是可以的，本篇通过adb shell pm 命令去删除小米手机自带的系统应用，其他Android手机类似。
拿小米举例子，很多小米内置的应用在应用管理界面可以删除的，例如红外遥控，多看阅读等，而且卸载后也可以通过小米应用商店下载。所以，本篇讲的主要是如何卸载那些不同通过应用管理面板去卸载的应用。
当然，怕万一删除了重要的系统应用导致变砖，我拿我的备用机红米k30机器去做。在卸载之前，有312个应用程序。
通过adb shell pm list packages > test.txt，导出所有已安装应用的包名。如下：
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
可以看到，内置的app非常多，其中有一些是核心应用，比如打电话发短信这种。还有一些例如小米视频、音乐等自带的实际可被第三方替换的应用。另外一些就是没有图标的后台运行占用内存的应用。
不多去废话，直接切入正题。卸载的命令：adb shell pm uninstall --user 0 包名，例如卸载小米视频：
adb shell pm uninstall --user 0 com.miui.video
运行后，显示success则卸载成功：
如果包名输入错误，则卸载失败，例如：
上面我们也导出了所有应用的包名，包名一共有300多个，如何知道每个应用的包名呢？这里给大家介绍一个容易被忽视的细节：
1、进入应用管理界面，点开打算卸载的应用，以壁纸为例（当然，壁纸是不建议卸载的）：
2. 点击右上角那个带圆圈的i，就可以看到包名：
三、卸载后无影响的应用List
在卸载的过程中，也出现了几次问题。比如我卸载了查找设备后，导致一直弹toast。目前已经确认删除后没有什么不良反应的包名（长期更新）：
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
注意，卸载后不会删除原有的安装包，所以内存并不会有显著的减少，且恢复出厂设置后这些内置的app也会再次被安装。