How to Fix ExtSdCard Mount Issue on KitKat and Lollipop

Since Android 4.4.2 KitKat was released to the Galaxy S4/Note 3 and other Android devices which support external sdcard, more users were having issue with some third-party apps in saving, writing or copying  files to the external sdcard due to KitKat 4.4 security which was added by Google.

In this post we will show you how to fix ExtSdCard Issue on Android KitKat, Lollipop and later for all android devices …

Requirements :

• Rooted Android device running on Android KitKat or Lollipop update.
• Installed ES File Manager or any root files explorer app.

Steps :

1. Open “ES File Explorer” and press on the top left icon.
2. Go to Tool > Root Explorer > Mount R/W
3. Change Path “/” and “/system” from RO to RW.
   
4. Go to Local > / Device > system > etc > permissions > and open platform.xml as text in “ES Note Editor”.
5. Find the following line:
   “android.permission.WRITE_EXTERNAL_STORAGE” permission
6. Change it from :

   <permission name="android.permission.WRITE_EXTERNAL_STORAGE" >
   <group gid="sdcard_r" />
   <group gid="sdcard_rw" />
   </permission>

7. to :

   <permission name="android.permission.WRITE_EXTERNAL_STORAGE" >
   <group gid="sdcard_r" />
   <group gid="sdcard_rw" />
   <group gid="media_rw" />
   </permission>

   

8. Save the changes to the file.
9. Check the file again and make sure that everything is OK.
10. Reboot your device to apply the changes.

After rebooting you will be able to write on the external sdcard without any problem.