If you are running a custom kernel and you are on the EE4 update you likely have found that your SDcard is stuck on read only.
XDA developers, Kejar, nor I are responsible for anything you do to your phone so as always use with care
For those of you using a custom kernel with Build EE4 to gain root and have run into the Write protection pop up when trying to transfer files to your sdcard.
simply download below
place on sdcard
and flash using clockwork
Download Here: http://www.androphiles.com/files/and...by_kejar31.zip
All credit to Kejar , so please remember to thank him