Included in these zips:
How To Flash:
Install with clockworkmod like you would any other zip.
I have tested these myself, as well as others on IRC and they have worked fine. I am not responsible if something goes wrong for you.
1. Original Shipped AT&T Skyrocket Radio I727ATTKJ2 and RIL
This is the radio that shipped with the AT&T Skyrocket, it is RAT interface locked which means you can't change bands by dialing *#2263#*
2. Original Shipped Rogers I727RUXKJ7 Radio and RIL
This is the radio that shipped with the Canadian Rogers version of Skyrocket, it is not RAT locked and bands can be changed easily by dialing *#2263#*
3. AT&T 2.3.6 OTA Update Radio I727ATTKK1 and RIL
This radio is also RAT locked