3

Also works without -k (keep user settings) option: pm uninstall --user 0 com.android.service and without opening adb shell: adb uninstall --user 0 com.android.service


2

WARNING Uninstalling system applications can be dangerous so please know what you’re getting rid of before you complete these steps. Failing to do so could result in your phone becoming unusable until you perform a factory reset. Of course, by removing any given system application, another system application that may depend on it may also break so be careful ...


2

It seems like the package wasn't properly uninstalled : This happens usually if you delete the APK from /data/app or /system/app or /system/priv-app instead of uninstalling the app. That is why probably the adb uninstall command isn't working. Maybe you can try reinstalling the app again after rebooting your phone?Tip: If this is the only keyboard app on ...


2

Technically the command adb shell pm unistall -k --user 0 does not uninstall an app from the device. Instead it just removes it from a user. There are a couple of ways to get the removed app back to the user. One way is. Through an adb shell with the command: adb shell cmd package install-existing <package_name> Or an extreme way would be through a ...


2

When a user tries to uninstall an app through the home launcher, Settings app, or through any third-party app, the system app Package Installer is invoked and user is asked to confirm the uninstallation. So the solution for you is to either disable that Package Installer app (or at least its component which is invoked for user confirmation) or find an app ...


2

SharedPreferences are actually saved in a file in the app private directory: /data/data/package_name/shared_prefs/somefilename.xml When an app is installed this directory and file are automatically created. When an app is uninstalled this directory is deleted along with its parent /data/data/package_name UNLESS the app is uninstalled in order to update it. ...


1

SharedPreferences database always deleted when app is uninstalled. but In Manifest android:allowBackup="true" If allowBackup is true then data is not clear even if application is uninstall then install. so always keep allowBackup false when data do not want store.


1

Restart the device, if it does not go away force stop the "Package installer" service from "Settings > Apps"


1

Uninstalling TWRP is very easy if you are on the latest version of TWRP Recovery, Go to TWRP Recovery via Reboot, Mount System and other partitions Now go to Advanced -> Uninstall TWRP APP (Checkbox) and SWIPE to uninstall


1

Not sure how well this works but if you have root you could try this F-Droid app.


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