[hooover]

all custom ROMs require unlocking...Most all tell you the specific directions to upgrading with the ROM of choice, they will tell you this You must have a radio version of 3.35+ to flash this ROM! Which is pretty self explanatory that you must upgrade before hand by flashing your carrier specific newest available ROM...This will upgrade ROM/Radio version on your phone then you can unlock... Which this thread shows you how to do : http://forum.ppcgeeks.com/showthread.php?t=20370 read it become familiar with it and feel confident. You can rum what ever ROM you want after unlocking just make sure the radio version is not being downgraded as this post explains http://forum.ppcgeeks.com/showthread.php?t=26082 both these posts by ImCoKeMaN explain in great detail the importance of what I just told you.