Verified answer

unlocked phone mean that it can be used by any service provider. Mainly unlocked phones are used with carriers that have sim cards like tmobile or at&t. Im not sure if it will work with sprint but i dont see the problem

t-cellular and cingular makes use of a similar form of SIM chip, so in case you have an unlocked telephone with a T-cellular nicely matched chip, you need to use the telephone in basic terms desire you got it from T-cellular. The plans are nonetheless valid. the only time its diverse is that in case you have a BB or different telephone that demands specific good factors.