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I am running Cyanogenmod on my SamSung phone.

Can you please tell me how can I remove the Camera app on the phone?

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If Cyanogenmod works just like Android 4 (and I have no idea if it does, never having used it), then you can go to "Settings", choose "Apps", tap on the Camera app; tap "Uninstall Updates" if that button is visible; then tap "Disable". The app's icon will disappear from the launcher, and (as far as I know) from everywhere else except the Settings page, where you can, of course, re-enable it later if you want. –  offby1 Apr 23 '12 at 19:59
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3 Answers

up vote 4 down vote accepted

If you really just want to remove it (which, fair warning, may cause problems with the system; I have no idea) you can:

  • Use adb to delete the .apk file: adb shell rm /system/app/Camera.apk. You may need to first elevate to root (adb shell and then su from the shell).
  • Use Titanium Backup to uninstall it

A potentially safer route that people take is to use Titanium Backup Pro to "freeze" the app, causing it to essentially act as though it is uninstalled without actually removing it (so it can be "defrosted" later if needed). This does require the Pro version, though.

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An app called NoBloat can freeze (disable) apps in the free version. –  Erik Apr 23 '12 at 16:42
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The camera app will be usually named Camera.apk, located in /system/app. To delete this first clear the data stored by the app in /data/data/com.sec.android.app.camera/ or something similar

  • Using Root Explorer, find the file, click mount rw and delete it.

  • Using terminal emulator,

    1. Acquire root privileges

      su
      
    2. Mount system in read write mode

      mount -o rw,remount -t yaffs2 /dev/block/mtdblock03 /system 
      
    3. Delete the file

      rm /system/app/Camera.apk
      
  • Using adb

    1. Mount system in read write mode

      adb shell mount -o rw,remount -t yaffs2 /dev/block/mtdblock03 /system 
      
    2. Delete the file

      adb shell rm /system/app/Camera.apk
      
  • Using titanium backup, select the app and click uninstall
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When i use 'adb' method, I did 'adb shell mount -o rw,remount -t yaffs2 /dev/block/mtdblock03 /system ', but it said 'mount: Operation not permitted'. Any idea? –  michael Apr 23 '12 at 18:42
    
is your phone rooted? –  Ruben Roy Apr 23 '12 at 18:50
    
Yes. I am running cyanogenmod and I have 'Superuser' installed. –  michael Apr 23 '12 at 19:21
    
can you try: adb shell (enter) su (enter)mount -o rw,remount -t yaffs2 /dev/block/mtdblock03 /system(enter) –  Ruben Roy Apr 23 '12 at 19:27
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If you really want to delete or replace system files ''at your own risk", first make sure you're rooted. Then install NQ mobile security. From the home screen of NQ, slide to the left to access ROM App Manager. Once you are there, MAKE SURE YOU BACK UP THE FILE BEFORE UNINSTALLING IT so you can restore it if anything goes south. Good luck and just say thank you if i help!

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