HI if you want to use your blackberry mobile with vodafone sim then you must first check that whether the phone is unlocked or not if the blackberry mobile is locked to some other network provider then it wont accept vodafone sim until you unlock it .You can easily unlock your blackberry mobile through online providers like UnBBLock.com here they are rendering network unlock code for all blackberry mobile models at reliable cost .You first check that whether the code is available for your mobile model ,country and network provider .If yes then pay for it and unlock your blackberry mobile then freely use it with any GSM sim ....