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I am trying to mount the /system file partition in Android as rw. I have ro.insecure=0 in my default.prop. I have su installed and working correctly. I can remount the file system using 'adb remount' However, when I am in a shell prompt, I get a 'permission denied' error whenever I try to remount the partition. Why would adb remount work but remounting as root user in a shell not work?

I am using

mount -o remount,rw /system 

I have also tried

mount -o remount,rw -t ext4 /system 

but to no avail.

My default.prop has the following:

ro.secure=0
ro.debuggable=1
persist.sys.usb.config=adb
ro.adb.secure=0
  • How did you root and how do you know it is working? If you're using SuperSU, trying turning off the "Root namespace separation" option. – Matthew Read Sep 10 '15 at 22:20
  • The ROM is pre-rooted and I can install root applications. The shell gives me root access and the daemonsu process is running. I am using Superuser not SuperSU so I don't have that option. – user2492861 Sep 11 '15 at 8:27
  • I edited the fstab in the ROM and set it to rw. This is dirty but it works nonetheless. – user2492861 Sep 11 '15 at 11:15

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