Imei Service Details - AT&T USA - All iPhones + Generic Devices Unlock [All Errors Supported] Source 2

All Errors Written Below Are Supported :-

1. Recently Upgraded

2. Request In Progress By Other Party

3. Wait 30 Days

4. Resubmit_After_24_Hours

5. No Longer Active On An AT&T Account

-- Any Error Supported Except Unpaids Bills, Blacklisted, Lost,

Stolen.