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[Debload][Bloatware] S21 | S21+ | S21Ultra or any flagship Samsung /Huawei /OnePlus phones

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Lartsch

Senior Member
Oct 23, 2012
201
228
Karlsruhe
Samsung Galaxy S4
OnePlus 3T
No I haven't encrypted it, also I don't use Secure Folder.
Maybe this has something to do with Knox Vault on encrypted phones?
Samsung Pay is also a part of the Knox vault.
Exynos, modell named SM-G998B/DS

Yep, I also guess it's the device encryption then. Not necessarily Knox (at least I could disable each Knox package without any problems).

What's your exact firmware code?
 
A little help please:

I'm not able to detect my S21 in ADB AppControl when connected from USB-C to USB-C, even when using the Samsung original C-C cable. Using a USB C-A dongle and an alternate cable fails as well. I've confirmed that the phone is in Developer mode.

I've downloaded the Windows drivers from Samsung, and still no joy. I can see the phone in Windows when connected by other modes (transferring files, USB tethering, MIDI, transferring images), but the phone is never detected in the ADB AppControl program.



Any thoughts?
 

yngg

New member
Jun 3, 2021
4
1
Is there a way to debloat by input a list to the uninstall cmd, like:
% pm uninstall --user 0 package_A, package_B, ...
I don't know the syntax, and it show me errors when I try to uninstall multiple package at same time.

Does anyone know how to do it?
 

n8orade

New member
Jun 23, 2021
1
0
Is there a way to debloat by input a list to the uninstall cmd, like:
% pm uninstall --user 0 package_A, package_B, ...
I don't know the syntax, and it show me errors when I try to uninstall multiple package at same time.

Does anyone know how to do it?
This might be what you are looking for. I would imagine the same process will work on an s21.

 

kapilrtn

Senior Member
Jan 30, 2012
247
149
Not working with netflix in s21 plus.
After that cant install mod apk and when tried to installing from play store just in 2 seconds showing open.
 

babyboy3265

Senior Member
Sep 20, 2012
796
245
Jupiter
I disabled about 1/4 of the apps start to bottom and i feel like there is significant drain.

Is ther any chance anyone knows which apps may be responsible and should be left alone?
 

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  • 6
    He I will try to advise you how to optimise and debloat your phone for better performance and battery as well as free of bloat device.

    I have used this method over the years for my S10 | S10+ | S20+ | S20Ultra | S21Ultra | P40 |P40 Pro and OP8 Pro and many other phones. And works as expected.

    Prerequisites:

    #1. ADB AppControl
    Which can be found here:

    Thanks to @Cyber.Cat for this application of for posting it.

    #2. Windows computer or for MAC owners, Parallel Desktop to run Windows

    #3. Android phone which you want to optimise

    Steps for debloating bloatware:
    #1. Download and install ADB AppControl from the above link
    #2. Activate Developer Options: go to Settings >> About phone >> Software information >> tap 7 times on Build Number
    #3. in Developer Options enable USB debugging mode
    #4. Open ADB AppControl
    #5. Connect your phone to your computer
    #6. Allow USB connect message on your phone several times until ADB AppControl shows connect message on top

    #7. Chose what applications you would like to disable or uninstall (i recommend you disable them not uninstall)
    #8. From bootom right corner in ADB AppControl chose Disable option
    #9. Check the box to delete cache and data [it is on top where you chosed Disable option at the previous step]
    #10. Press Apply
    #11. Confirm that you agree to disable the selected apps on the popup message which will appear

    #12. Unplug your phone from the computer
    #13. Shut down the phone

    #14. Connect the phone again to your computer [being closed]
    #15. Quick press Volume button + Volumne Up button until you see on your screen the logo
    #16. Release the buttons

    #17. Now you are into the phone recovery
    #18. Chose the option to clear cache [NOT phone reset] with your power buttons
    #19. Select the option to clear cache by presing the power button
    #20. Chose restart phone

    E voila.

    There is no miracle bloatware list. It depends from phone to phone.
    Being on a S21 series forum I will post what I debloated for my S21Ultra SM-G998B device.

    com.android.apps.tag
    com.android.bookmarkprovider
    com.android.chrome
    com.android.dreams.basic
    com.android.dreams.phototable
    com.android.hotwordenrollment.okgoogle
    com.android.hotwordenrollment.xgoogle
    com.android.managedprovisioning
    com.android.printspooler
    com.android.providers.partnerbookmarks
    com.android.providers.userdictionary
    com.diotek.sec.lookup.dictionary

    com.facebook.services
    com.facebook.system
    com.facebook.appmanager
    com.google.android.apps.tachyon
    com.google.android.printservice.recommendation
    com.google.android.projection.gearhead
    com.google.android.tts
    com.google.ar.core
    com.google.audio.hearing.visualization.accessibility.scribe
    com.justride.stbbuch
    com.plantronics.headsetservice
    com.samsung.android.accessibility.talkback
    com.samsung.android.app.ledbackcover
    com.samsung.android.app.notes
    com.samsung.android.app.notes.addons
    com.samsung.android.app.readingglass

    com.samsung.android.app.routines
    com.samsung.android.app.settings.bixby
    com.samsung.android.app.spage
    com.samsung.android.app.tips
    com.samsung.android.ardrawing
    com.samsung.android.aremoji
    com.samsung.android.aremojieditor
    com.samsung.android.arzone

    com.samsung.android.bixby.agent
    com.samsung.android.bixby.agent.dummy
    com.samsung.android.bixby.service
    com.samsung.android.bixby.wakeup
    com.samsung.android.bixbyvision.framework

    com.samsung.android.game.gamehome
    com.samsung.android.game.gametools
    com.samsung.android.kidsinstaller
    com.samsung.android.knox.containeragent
    com.samsung.android.knox.containercore
    com.samsung.android.livestickers
    com.samsung.android.mateagent
    com.samsung.android.service.airviewdictionary
    com.samsung.android.service.pentastic
    com.samsung.android.service.tagservice
    com.samsung.android.six.webtrans
    com.samsung.android.spay
    com.samsung.android.spayfw
    com.samsung.android.svoiceime

    com.samsung.android.visionintelligence
    com.samsung.android.vtcamerasettings
    com.samsung.desktopsystemui
    com.samsung.knox.securefolder
    com.samsung.SMT
    com.sec.android.app.bluetoothtest
    com.sec.android.app.desktoplauncher
    com.sec.android.app.dexonpc
    com.sec.android.app.kidshome
    com.sec.android.app.magnifier
    com.sec.android.cover.ledcover

    com.sec.android.desktopmode.uiservice
    com.sec.android.emergencylauncher
    com.sec.android.mimage.avatarstickers
    com.sec.android.widgetapp.webmanual

    com.sec.spp.push
    com.spotify.music
    com.swiftkey.swiftkeyconfigurator
    com.touchtype.swiftkey
    de.axelspringer.yana.zeropage
    1
    Hi everyone, if I do an OTA update the process will reinstall debloated apps?
    No.
    You can double check by seeing number of installed apk in settings.
    But I never had a problem with debloated app reinstalling.
    1
    Just a little headsup on two packages you should NEVER disable!
    • Device Services (com.samsung.android.kgclient) - If you disable this, you will LOCK YOURSELF OUT of your phone (Error 3020). Chances are good to recover from this if you have TWRP installed or USB debugging always enabled. Otherwise a factory reset is the only solution. Nevertheless, this is a core component and WILL cause problems if disabled.
    • Device Security (com.samsung.android.sm.devicesecurity) - If you disable this, app installations will take significantly longer (about 5x). Not sure why, but better leave it.
    In general, if you are not 100% sure what a package does, leave it! Even if someone on the internet says "I disabled it and had no problems"... There is a high possibility that you don't achieve optimization by disabling, but crippling your device and creating lots of errors in the background you don't know about (thus using more battery).

    As far as I can tell, the list in the OP seems reasonable though.

    @AllAboutTech Might be helpful for beginners if you add those 2 warnings to the OP.
    1
    Is there a way to know what each Items do?

    Someone over at the S20 forums made a pretty good list some time ago:
    Google Sheet