There is no way to verfiy customer identity without a pin you created at the creation of the account, a year or more for me. My problem is my account is locked and they will be text my PIN to me, but my phone is locked and until I can tell them what my PIN is they won't unlock my phone. Catch 22. My bank, doctor and lawyer don't have this kind of security. I understand the policy, but this is rediculous! So now my phone is usless, thanks T-Mobile. read full review »