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I rooted my micromax a27 a few days back. It installed an app Kinguser to give root permission.

Earlier it was working fine.

I did a factory reset last night.

Now, when I try to copy file to root folders like /system/media/ directory. It gives error as Permission Denied.

Please help how to recover root access.

I am using ES explorer with root access enabled.

Anuj TBE
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  • Have you re-mounted /system before trying to copy? That partition usually is mounted read-only – so of course write permission is denied. – Izzy Dec 02 '14 at 12:12
  • how to re-mount /system ? – Anuj TBE Dec 03 '14 at 10:25
  • Multiple ways: adb remount, or (via adb shell or a terminal app after becoming root) mount -o remount,rw /system, or using root-filemanagers which have this capability built-in. – Izzy Dec 03 '14 at 11:14
  • I think i have lost root on my phone. as after checking root status using root checker is says Not Rooted – Anuj TBE Dec 05 '14 at 10:26
  • I wonder why ES is not explaining about that then. But if root checker fails, there must be some issue with root. "How to root the A27" would be a separate question (it's not yet listed in our rooting index). – Izzy Dec 05 '14 at 10:45
  • Yeah you lost root when you did the factory-reset, Kinguser doesn't hold root. Just re-install it again to acquire root once more. – HasH_BrowN Dec 07 '14 at 03:38
  • But don't know how to re-install or uninstall Kinguser as it is installed in root folder which is now write-protected. – Anuj TBE Dec 07 '14 at 07:23

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In es file manager, slide the menu out and tap on "root explorer" (not the switch) and choose mount rw. Then tap on the radio button in the rw column for all rows. Now you should be able to write to those partitions.

saloalv
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