i cant flash radio any more ? why ?

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http://androidforums.com – i was actually able to flash my radio like 2 times but now i cant do it it just gives me this messege: CID incorrect! Update Failed! in Hboot. I know that im flashing with a cdma virsion i have it renamed heck its downloaded from android forums thread "fix everything by turning ur phone into a 3d phone" please help cuz the last radio isnt that great and i really want back. Is there anyway to restore it to the original radio? (General)