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Yesterday when removing bloatware from my phone, I accidentally uninstalled an app using the adb command:

pm uninstall -k --user 0 

I suspect the culprit to be com.sec.factory.camera, as since that unfortunate event, the camera app crashes every time I try to launch it.

I tried reinstalling it using either of these two commands

pm install com.sec.factory.camera
pm install --user 0 com.sec.factory.camera

but they returned me a "can't open non-file" error message.

I tried as well downloading the APK on my phone and installing it from Android, but at the end of the installation process, I got a "not installed application" message.

Your help would be really appreciated to get my camera back.

My phone is an unrooted Samsung s7 Edge running Oreo 8.0.

  • The app must still be there somewhere inside /system, so try finding its absolute location and installing from there. – Firelord Jul 31 '19 at 12:03
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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 factory reset of the device.

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  • 2
    You have saved me from factory resetting my phone. I had uninstalled OneUI home screen app after installed Nova launcher for home screen. Later I realised that I would no longer be able to open the recent apps list. – Puspam Jul 9 at 11:16
  • Thanks so much for this! In my case I also had to reinstall com.android.providers.calendar with the same process. – Luke Aug 20 at 14:36
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I had the same problem with my Android 6 Phone. On Android 6the "adb shell cmd ..." commands are not availble.

I fixed it the following way (needs root or custom recovery with full file system access): - locate the apk file of the deleted package in the /system/app-priv folder - move the .apk file to a different location (e.g. /data/app) - reboot phone - move the apk file back to its original location - reboot phone

I hope this can help others who also don't have Android 7 or newer.

Best regards, Tobi

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