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Remount /system partition in RW mode on Android


OI File Manager

If you need to delete a system app forr any reason, and such a app doesn’t appear listed on Applications or in the market, you can follow the next steps from a terminal in the device or use adb shell::

  1. Gain superuser root acess:
    2. # su
  2. Check how the /system partition was mounted, which you be as read-only (ro):
    3. # mount | grep system
/dev/block/mtdblock3 on /system type yaffs2 (ro,relatime)
  3. Remount the partiton in read-write mode (rw):
    4. # mount -o rw,remount /system
  4. Finally check if it was mounted in read-write mode (rw):
    5. # mount | grep system
/dev/block/mtdblock3 on /system type yaffs2 (rw,relatime)

Now you can delete apps from the /system/data folder using a program such as  OI File Manager.

Reference: Mount a filesystem read-write

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This entry was posted on 13/03/2011, 10:00 am and is filed under Android. You can follow any responses to this entry through RSS 2.0. You can leave a response, or trackback from your own site.

  1. #1 by Luis Gallardo on 03/01/2012 - 12:40 am

    @GregO yes, on Samsung Galaxy Tab you must out the device (/dev/stl5) and the mounting point /system. If you put just one of them it wont’ work. Thanks for the advice. Cheers!

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  2. #2 by GregO on 03/01/2012 - 12:22 am

    Thanks! One thing I had to change to get it to work on my Galaxy Tab 7 running 2.3.4, though. The mount command needed is mount -t rfs -o remount,rw /dev/stl5 /system

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