[Android Q&A, Help & Troubleshooting] ferlanero:
Hisense A9 Debloat (these changes can be undone safely following steps next post. No root needed):

adb shell pm disable-user --user 0 com.hmct.payguard && adb shell pm disable-user --user 0 com.hmct.wifidetector && adb shell pm disable-user --user 0 com.iflytek.inputmethod && adb shell pm disable-user --user 0 com.iflytek.speechsuite && adb shell pm disable-user --user 0 com.android.gallery3d && adb shell pm disable-user --user 0 com.hisense.hiphone.appstore && adb shell pm disable-user --user 0 com.hmct.FileManager.Activity && adb shell pm disable-user --user 0 com.android.hmctconsumerservice && adb shell pm disable-user --user 0 org.hapjs.mockup && adb shell pm disable-user --user 0 com.hmct.facelock && adb shell pm disable-user --user 0 com.hmct.factorylogupload && adb shell pm disable-user --user 0 com.hmct.platform.core && adb shell pm disable-user --user 0 com.hmct.account && adb shell pm disable-user --user 0 com.hmct.assist && adb shell pm disable-user --user 0 com.hmct.imageedit && adb shell pm disable-user --user 0 com.hmct.updater && adb shell pm disable-user --user 0 com.android.hmct.bmct && adb shell pm disable-user --user 0 com.hmct.userexperienceprogram && adb shell pm disable-user --user 0 com.hmct.semantic.analysis && adb shell pm disable-user --user 0 com.hmct.appicebox && adb shell pm disable-user --user 0 com.hmct.HmctService && adb shell pm disable-user --user 0 com.hmct.clock.systemwidget && adb shell pm disable-user --user 0 com.tencent.soter.soterserver && adb shell pm disable-user --user 0 com.hmct.ftmode && adb shell pm disable-user --user 0 com.hmct.antivirus && adb shell pm disable-user --user 0 com.android.hplayer && adb shell pm disable-user --user 0 com.android.browser && adb shell pm disable-user --user 0 com.android.calendar && adb shell pm disable-user --user 0 com.android.firewall && adb shell pm disable-user --user 0 com.android.sos && adb shell pm disable-user --user 0 com.hmct.mobileclear && adb shell pm disable-user --user 0 com.hmct.theme && adb shell pm disable-user --user 0 com.hmct.voiceassist && adb shell pm disable-user --user 0 com.hmct.music && adb shell pm disable-user --user 0 com.hmct.hmctmanual && adb shell pm disable-user --user 0 com.tencent.android.location && adb shell pm disable-user --user 0 com.android.mobilemanager && adb shell pm disable-user --user 0 com.android.einklauncher.plugin.multireader && adb shell pm disable-user --user 0 com.hmct.einksettings && adb shell pm disable-user --user 0 com.android.backup && adb shell pm disable-user --user 0 com.android.bips && adb shell pm disable-user --user 0 com.android.bluetoothmidiservice && adb shell pm disable-user --user 0 com.android.carrierdefaultapp && adb shell pm disable-user --user 0 com.android.dreams.basic && adb shell pm disable-user --user 0 com.android.egg && adb shell pm disable-user --user 0 com.android.htmlviewer && adb shell pm disable-user --user 0 com.android.keychain && adb shell pm disable-user --user 0 com.android.quicksearchbox && adb shell pm disable-user --user 0 com.android.simappdialog && adb shell pm disable-user --user 0 com.android.stk && adb shell pm disable-user --user 0 com.android.traceur && adb shell pm disable-user --user 0 com.android.wallpapercropper && adb shell pm disable-user --user 0 com.android.contacts && adb shell pm disable-user --user 0 com.android.camera2 && adb shell pm disable-user --user 0 com.android.hmct.safe && adb shell pm disable-user --user 0 com.android.networkcontrol && adb shell pm disable-user --user 0 com.hmct.ota.appinstall && adb shell pm disable-user --user 0 com.hmct.overlay && adb shell pm disable-user --user 0 com.android.provisionforguide && adb shell pm disable-user --user 0 com.hmct.screen.record && adb shell pm disable-user --user 0 com.hmct.supermode && adb shell pm disable-user --user 0 com.android.internal.systemui.navbar.threebutton && adb shell pm disable-user --user 0 com.android.theme.color.black && adb shell pm disable-user --user 0 com.android.theme.color.cinnamon && adb shell pm disable-user --user 0 com.android.theme.icon_pack.circular.android && adb shell pm disable-user --user 0 com.android.theme.icon_pack.circular.launcher && adb shell pm disable-user --user 0 com.android.theme.icon_pack.circular.systemui && adb shell pm disable-user --user 0 com.android.theme.icon_pack.circular.settings && adb shell pm disable-user --user 0 com.android.theme.icon_pack.circular.themepicker && adb shell pm disable-user --user 0 com.android.cts.ctsshim && adb shell pm disable-user --user 0 com.android.cts.priv.ctsshim && adb shell pm disable-user --user 0 com.android.wallpaperbackup && adb shell pm disable-user --user 0 com.android.internal.display.cutout.emulation.corner && adb shell pm disable-user --user 0 com.android.internal.display.cutout.emulation.double && adb shell pm disable-user --user 0 com.android.theme.icon_pack.filled.settings && adb shell pm disable-user --user 0 com.android.theme.icon_pack.filled.systemui && adb shell pm disable-user --user 0 com.android.theme.icon_pack.filled.android && adb shell pm disable-user --user 0 com.android.theme.icon_pack.filled.launcher && adb shell pm disable-user --user 0 com.android.theme.icon_pack.filled.themepicker && adb shell pm disable-user --user 0 com.hmct.floatwindow && adb shell pm disable-user --user 0 com.hmct.navigation.service && adb shell pm disable-user --user 0 com.android.internal.systemui.navbar.gestural_wide_back && adb shell pm disable-user --user 0 com.android.internal.systemui.navbar.gestural_extra_wide_back && adb shell pm disable-user --user 0 com.android.internal.systemui.navbar.gestural && adb shell pm disable-user --user 0 com.android.internal.systemui.navbar.gestural_narrow_back && adb shell pm disable-user --user 0 com.android.theme.color.green && adb shell pm disable-user --user 0 com.android.theme.color.ocean && adb shell pm disable-user --user 0 com.android.theme.color.orchid && adb shell pm disable-user --user 0 com.android.theme.color.purple && adb shell pm disable-user --user 0 com.android.theme.icon_pack.rounded.systemui && adb shell pm disable-user --user 0 com.android.theme.icon_pack.rounded.android && adb shell pm disable-user --user 0 com.android.theme.icon_pack.rounded.launcher && adb shell pm disable-user --user 0 com.android.theme.icon_pack.rounded.settings && adb shell pm disable-user --user 0 com.android.theme.icon.roundedrect && adb shell pm disable-user --user 0 com.android.theme.color.space && adb shell pm disable-user --user 0 com.android.theme.icon.squircle && adb shell pm disable-user --user 0 com.android.internal.display.cutout.emulation.tall && adb shell pm disable-user --user 0 com.android.theme.icon.teardrop && adb shell pm disable-user --user 0 com.android.managedprovisioning && adb shell pm disable-user --user 0 com.focaltech.ft_terminal_test && adb shell pm disable-user --user 0 com.android.backupreceiver && adb shell pm disable-user --user 0 com.android.backupconfirm && adb shell pm disable-user --user 0 com.android.providers.BMCT && adb shell pm disable-user --user 0 com.android.engtest && adb shell pm disable-user --user 0 com.android.theme.font.notoserifsource && adb shell pm disable-user --user 0 com.android.dynsystem && adb shell pm disable-user --user 0 com.android.exchange && adb shell pm disable-user --user 0 com.android.onetimeinitializer && adb shell pm disable-user --user 0 com.android.printservice.recommendation && adb shell pm disable-user --user 0 com.android.printspooler && adb shell pm disable-user --user 0 com.android.inputdevices && adb shell pm disable-user --user 0 com.android.ons && adb shell pm disable-user --user 0 com.android.statementservice && adb shell pm disable-user --user 0 com.android.appfeaturemanager && adb shell pm disable-user --user 0 com.android.modulemetadata && adb shell pm disable-user --user 0 com.android.calllogbackup && adb shell pm disable-user --user 0 com.android.dialer && adb shell pm disable-user --user 0 com.android.carrierconfig && adb shell pm disable-user --user 0 com.android.companiondevicemanager && adb shell pm disable-user --user 0 com.android.sharedstoragebackup && adb shell pm disable-user --user 0 com.android.pacprocessor && adb shell pm disable-user --user 0 com.android.proxyhandler && adb shell pm disable-user --user 0 com.android.plugin.quickswitch && adb shell pm disable-user --user 0 com.android.fontOnline && adb shell pm disable-user --user 0 com.android.localtransport && adb shell pm disable-user --user 0 com.android.inputmethod.pinyin && adb shell pm disable-user --user 0 com.hmct.mobilesafe.tools.autorun && adb shell pm disable-user --user 0 com.android.settings.intelligence && adb shell pm disable-user --user 0 com.android.certinstaller && adb shell pm disable-user --user 0 com.android.networksecurity && adb shell pm disable-user --user 0 com.hmct.settings.calibration.speed && adb shell pm disable-user --user 0 com.android.se && adb shell pm disable-user --user 0 android.ext.shared && adb shell pm disable-user --user 0 com.android.mms && adb shell pm disable-user --user 0 com.qti.confuridialer && adb shell pm disable-user --user 0 com.qti.diagservices com.qti.dpmserviceapp && adb shell pm disable-user --user 0 com.qti.ltebc && adb shell pm disable-user --user 0 com.qti.qualcomm.datastatusnotification && adb shell pm disable-user --user 0 com.qti.qualcomm.deviceinfo && adb shell pm disable-user --user 0 com.qti.xdivert && adb shell pm disable-user --user 0 com.qualcomm.atfwd && adb shell pm disable-user --user 0 com.qualcomm.embms && adb shell pm disable-user --user 0 com.qualcomm.location && adb shell pm disable-user --user 0 com.qualcomm.qcrilmsgtunnel && adb shell pm disable-user --user 0 com.qualcomm.qti.callfeaturessetting && adb shell pm disable-user --user 0 com.qualcomm.qti.cne && adb shell pm disable-user --user 0 com.qualcomm.qti.confdialer && adb shell pm disable-user --user 0 com.qualcomm.qti.devicestatisticsservice && adb shell pm disable-user --user 0 com.qualcomm.qti.dynamicddsservice && adb shell pm disable-user --user 0 com.qualcomm.qti.ims && adb shell pm disable-user --user 0 com.qualcomm.qti.lpa && adb shell pm disable-user --user 0 com.qualcomm.qti.performancemode && adb shell pm disable-user --user 0 com.qualcomm.qti.poweroffalarm && adb shell pm disable-user --user 0 com.qualcomm.qti.qccauthmgr && adb shell pm disable-user --user 0 com.qualcomm.qti.qcolor && adb shell pm disable-user --user 0 com.qualcomm.qti.qms.service.trustzoneaccess && adb shell pm disable-user --user 0 com.qualcomm.qti.remoteSimlockAuth && adb shell pm disable-user --user 0 com.qualcomm.qti.seccamservice && adb shell pm disable-user --user 0 com.qualcomm.qti.server.wigig.tethering.rro && adb shell pm disable-user --user 0 com.qualcomm.qti.services.secureui && adb shell pm disable-user --user 0 com.qualcomm.qti.services.systemhelper && adb shell pm disable-user --user 0 com.qualcomm.qti.simcontacts && adb shell pm disable-user --user 0 com.qualcomm.qti.simsettings && adb shell pm disable-user --user 0 com.qualcomm.qti.telephonyservice && adb shell pm disable-user --user 0 com.qualcomm.qti.uceShimService && adb shell pm disable-user --user 0 com.qualcomm.qti.uim && adb shell pm disable-user --user 0 com.qualcomm.qti.uimGbaApp && adb shell pm disable-user --user 0 com.qualcomm.qti.workloadclassifier && adb shell pm disable-user --user 0 com.qualcomm.qti.xrvd.service && adb shell pm disable-user --user 0 com.qualcomm.timeservice && adb shell pm disable-user --user 0 com.qualcomm.uimremoteclient && adb shell pm disable-user --user 0 com.qualcomm.uimremoteserver && adb shell pm disable-user --user 0 com.qualcomm.wfd.service && adb shell pm disable-user --user 0 vendor.qti.hardware.cacert.server && adb shell pm disable-user --user 0 vendor.qti.iwlan && adb shell pm disable-user --user 0 com.hmct.clockin && adb shell pm disable-user --user 0 com.hmct.imeidisplay && adb shell pm disable-user --user 0 com.hmct.mutualshare && adb shell pm disable-user --user 0 com.hmct.privacy && adb shell pm disable-user --user 0 com.hmct.theme.elegant && adb shell pm disable-user --user 0 com.microfountain.rcs.service && adb shell pm disable-user --user 0 com.wapi.wapicertmanage && adb shell pm disable-user --user 0 org.codeaurora.ims && adb shell pm disable-user --user 0 org.ifaa.aidl.manager && adb shell pm disable-user --user 0 com.android.wifi.resources.hmct

Uninstall safely:

adb shell pm uninstall -k --user 0 com.iflytek.speechsuite

adb shell pm uninstall -k --user 0 com.iflytek.inputmethod

adb shell pm uninstall -k --user 0 org.hapjs.mockup