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Two weeks ago I rooted my device to access internal storage and change some files (such as alarms, notifications, sounds, .etc).
Well I did it. But after re-storing factory settings, internal storage files became again read-only.
Then I tried adb-shell to change the privileges of folders and files with
chmod 777 "folder destination"
but the shell responded as
Unable to chmod system/media/audio/alarms: Read-only file system
Now I don't know what to do. So, I need your suggessions. Thank you.
Pictures
This is the changing permission attempt from shell in ubuntu
The files included with current permissions in eclipse DDMS perspective
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To change directory permissions for everyone, use “u” for users, “g” for group, “o” for others, and “ugo” or “a” (for all). chmod ugo+rwx foldername to give read, write, and execute to everyone. chmod a=r foldername to give only read permission for everyone.
Try to use one of the following ways:mount -o rw,remount -t rootfs /system
ormount -o rw,remount -t rootfs rootfs /system
You also can use it for any folder that you need even root (/)
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