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34 votes
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How do some android apps remember that this is not the first time they are being installed?

There are multiple ways to identify a unique device or its user: Keep a file in some (non-default) directory: You already said this; apps can often write to the internal storage of a device. This ...
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  • 4,014
30 votes
Accepted

Completely uninstall an app on Lollipop

When you uninstall an app using usual pre-Lollipop approach (e.g. dragging to "trash" icon, or from App info > Uninstall), it's only uninstalled on current user. It can be confirmed by app showing "...
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  • 12.2k
23 votes

How to uninstall a system app using adb uninstall command (NOT remove via rm or any other way)

I succeded adding the -k and --user options to the pm command, e.g.: pm uninstall -k --user 0 com.android.service The command was issued as root, no need to remount /system as rw. Android on the ...
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21 votes

Uninstall system app failed using 'adb shell pm uninstall'

Well, since the FileManager.apk package resides in a /system/app/ directory it is a system app. So the general way to remove it is: adb shell su mount -o rw,remount /system rm -rf /system/app/...
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  • 311
21 votes

How to uninstall "not installed" apps

Settings -> Apps -> select your app tap on menu button (3 dots) -> Uninstall for all users
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  • 211
21 votes
Accepted

How to reinstall an accidentally uninstalled app through ADB?

Technically the command adb shell pm unistall -k --user 0 <package_name> 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 ...
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  • 2,498
17 votes
Accepted

How to uninstall "not installed" apps

If you have multiple users on your tablet, this means that the apps are installed by another user, and therefore take up space without being installed under your user account. Just open the other ...
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  • 16.1k
13 votes

How to uninstall a system app using adb uninstall command (NOT remove via rm or any other way)

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
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13 votes
Accepted

Removing apk of inbuilt apps completely (without rooting)

Unfortunately, that is just not possible. The apk of system apps resides within system partition. The privileges (access rights) required to make changes in system partition are not given to ordinary ...
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  • 23.3k
12 votes

App not installed for this user

in that App Info (though grey out), click the three vertical dots and use Uninstall for All Users.
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  • 121
12 votes

How to remove the SIM Toolkit from my phone? (Without root or flashing any ROM)

Connect Your Phone to PC Using Data Cable. Turn on USB Debugging Setup ADB Connection Type adb shell Hit Enter and type again this pm uninstall -k --user 0 com.android.stk or pm uninstall -k ...
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  • 121
11 votes

How to uninstall an application without removing the user data?

Edit Oarfish writes in the comments that the technique described in this post is no longer useful. My technique If you don't want to root your device, you can use adb and pm instead. These steps will ...
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10 votes
Accepted

How can I delete AVG Antivirus on my Xperia Z1?

You need to go into Settings > Security > Device administrators and uncheck the box next to the AVG app. You will then be able to uninstall the application normally.
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  • 8,699
7 votes

How to uninstall "not installed" apps

In the menu there is an option to uninstall for all users so you don't have to loging in to each user on the main.
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  • 171
7 votes

History of installed/uninstalled apps

Logcat won't be much help here, as it only lasts back a limited time (it uses a ring buffer with a fixed size, so older entries get overwritten with new ones). Instead, better focus on the package ...
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  • 88.9k
7 votes
Accepted

Uninstall apps installed from their APK

It won't be shown in Google Play Store because you have not uploaded it to the store. To uninstall the app go to Settings -> Apps -> find your app -> Uninstall
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  • 1,123
6 votes

Uninstall app without deleting data

If you run adb with no arguments, the help text will tell you the answer to this question. adb uninstall -k com.mycompany.myapp removes the app but leaves the data and cache directories. Similarly, ...
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  • 34.4k
6 votes

Where do Android apps store data that survives uninstall?

Apps are supposed to store their data and related files either in /sdcard/Android/data/com.app.id or /data/data/com.app.id; however, many apps (especially ones from China) don't abide by this ...
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  • 9,360
6 votes

Can I delete an app I got on sale?

From play store support: You can use apps you bought on Google Play on any Android device without paying again. However, each device must have the same Google Account on it. You can: ...
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  • 2,491
6 votes
Accepted

How to manually remove an app?

To manually remove an app, you'll need to (manually) delete all of the following items: The app's package, usually in /data/app/<package name>. For system apps, delete /system/app/<something&...
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  • 7,294
5 votes

Can you fully remove Google system apps from Android including the Play Store updates?

Unless rooted, there is no way of uninstalling stock (system) apps. That being said, even rooted uninstalling a stock app does not give you any usable free space (they're not on "user storage"). ...
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  • 725
5 votes

Can you fully remove Google system apps from Android including the Play Store updates?

Above answer only stops them from appearing, it doesn't remove them. For that you'll need to root. Here's a guide that kind of answers your problem: Be careful! Droidviews: Removing Stock Apps.
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5 votes

How to remove the SIM Toolkit from my phone? (Without root or flashing any ROM)

An app can be disabled without root by running adb shell pm disable-user com.android.stk
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  • 51
5 votes

How can I uninstall Google Chrome on my Android and recommend a suitable replacement?

You can uninstall an android system app without root using a USB cable and a computer. Install ADB (Android Debugging Bridge) package on the computer from Google (https://dl.google.com/android/...
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  • 51
4 votes

can't uninstall app

Found this on YouTube: Go to Settings -> Security -> Phone Administrators, then un-check this app and proceed to uninstall it by the usual means.
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4 votes
Accepted

Can't uninstall an app in android which is showing ads frequently

I had a similar same problem and solved it this way: Go to Settings → Device Manager → uncheck unknown app Go to Setting → Apps → uninstall the first unnamed app from the list
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  • 56
4 votes
Accepted

Unable to update Google App on Nexus 6P running Android N Developer Preview

This is normal behaviour. My Nexus 6P also runs the developer preview and has this version: 5.14.15.NYC.21.arm64. The reason it won't update is because the actual version code is higher then the one ...
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  • 3,782
4 votes
Accepted

How to deinstall Talking Book

Go to play store, locate the app there and choose to uninstall !
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  • 37.7k

Only top scored, non community-wiki answers of a minimum length are eligible