Hi no you can't use vodafone sim in blackberry mobile locked with t-mobile ..To fix this you have to unlock your phone from t-mobile network only then you can use your vodafone sim in it ..You can easily unlock your blackberry mobile using sites like Unlock-Zone.com here they are rendering unlock code for all mobile models at reliable cost ..You first verify that whether they are rendering code for your mobile model ,country and network provider .If yes then pay for it and unlock your phone ..After unlocking your phone you can freely use it with vodafone or any other GSM sim ...
