ContribucionesMost RecentMost LikesSolutionsRe: This device is not in our system. Unable to unlock for other carriers sim. I'm having the same issue with T-Mobile. I've called 5 times to get my iPhone unlocked. @nyc_1i am now following your advice by trying to communicate via messenger. Hopefully they can resolve this problem. I'm so ready to dump T-Mobile and go elsewhere.
