Samsung i9300 4.3 new security imei null repair Done

Root vit cf auto root = dOWNLOADLINK
http://download.chainfire.eu/229/CF-Root/CF-Auto-Root/CF-Auto-Root-m0-m0xx-gti9300.zip
Install cwm recoveryDownload
http://www39.zippyshare.com/v/81264090/file.html
Flash knox remover using recovery
http://www.4shared.com/get/COU0IFaUce/DE-SAMSUNGNIZER_KNOX_REMOVAL_S.html
Reset Efs Repair imei & network using samsung tool