Beware - this item can only be used with T-Mobile service.T-Mobile will NOT unlock this for use with any other carrier, unless you comply with the following:You must be a T-Mobile customer for 90 days (yet their minimum service contract is for 1 year, with early cancellation fees), and you must fax them the receipt indicating that you paid full retail price for this product. You will also need to provide them Part#, SN#, EMEI#, your T-Mobile acct#, and last 4 of your SSN#.It is thus recommended to steer clear of this device, because its resale value is nill.