Trying to flash OTA jelly bean but getting errors

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http://forum.xda-developers.com – Hi all, I have a rooted (through Odin desktop version) Galaxy S3 I9300 with the following: AP: I9300XXBLH1 CP: I9300CELH1 CSC: I9300PHNBLH1 I have been trying to flash the Jellybean OTA firmware that was posted yesterday on: http://forum.xda-developers.com/show....php?t=1867672 However when I try to flash with CWM it breaks off. When I try this with Odin Mobile Pro I get: "The kernel image on your device does not match the signature check in OTA ZIP. Disable the check (may prevent the device from booting)?" I guess I have to update the kernel image somehow in order (HowTos)