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Titanium Backup – enable write access to external SD Card March 6, 2016

Posted by Steven in Uncategorized.
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Recently I’ve been trying a couple of Android devices. I used to focus on iOS but I become a little bit bored with it lately. The deep customisation options on (rooted) Android devices began to fascinate me again.

When I played around with a recent and quite good Samsung tablet I ran into a couple of issues with Titanium Backup and an external 128GB SD Card. By the way rooting of said Samsung tablet is easy and straight forward.

Namely when trying to back up a couple of applications to that external SD Card, Titanium Backup showed: “readonly” / “this folder is not writable”. That seemed strange as I had even formatted the SD Card in the freshly set up tablet.

Well after a quick google search here is the solution (you will need root access, a file manager and a text editor – I used http://www.estrongs.com/?lang=en )

  • navigate to : / system /etc/ permissions/platform.xml
  • finde the section “WRITE_EXTERNAL_STORAGE”
  • inside that section add the following line:  <group gid=”media_rw” />

After a reboot of the device read and write SD Card access from within Titanium Backup worked fine.

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